Update version# and years
This commit is contained in:
David A. Wheeler
parent
a7a7bb349b
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@ -9,8 +9,8 @@
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<body>
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<h1>Flawfinder Results</h1>
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Here are the security scan results from
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<a href="http://www.dwheeler.com/flawfinder">Flawfinder version 1.28</a>,
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(C) 2001-2007 <a href="http://www.dwheeler.com">David A. Wheeler</a>.
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<a href="http://www.dwheeler.com/flawfinder">Flawfinder version 1.29</a>,
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(C) 2001-2014 <a href="http://www.dwheeler.com">David A. Wheeler</a>.
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Number of dangerous functions in C/C++ ruleset: 160
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<p>
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Examining test.c <br>
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@ -1,4 +1,4 @@
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Flawfinder version 1.28, (C) 2001-2007 David A. Wheeler.
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Flawfinder version 1.29, (C) 2001-2014 David A. Wheeler.
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Number of dangerous functions in C/C++ ruleset: 160
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Examining test.c
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Examining test2.c
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@ -6,7 +6,7 @@
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See the man page for a description of the options."""
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version="1.28"
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version="1.29"
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# The default output is as follows:
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# filename:line_number [risk_level] (type) function_name: message
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@ -1478,9 +1478,9 @@ def display_header():
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print "<h1>Flawfinder Results</h1>"
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print "Here are the security scan results from"
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print '<a href="http://www.dwheeler.com/flawfinder">Flawfinder version %s</a>,' % version
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print '(C) 2001-2007 <a href="http://www.dwheeler.com">David A. Wheeler</a>.'
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print '(C) 2001-2014 <a href="http://www.dwheeler.com">David A. Wheeler</a>.'
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else:
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print "Flawfinder version %s, (C) 2001-2007 David A. Wheeler." % version
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print "Flawfinder version %s, (C) 2001-2014 David A. Wheeler." % version
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displayed_header = 1
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@ -1,6 +1,6 @@
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Name: flawfinder
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Summary: Examines C/C++ source code for security flaws
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Version: 1.28
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Version: 1.29
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Release: 1%{?dist}
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License: GPLv2+
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Group: Development/Tools
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2
makefile
2
makefile
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@ -9,7 +9,7 @@
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# Eventually switch to using DistUtils to autogenerate.
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NAME=flawfinder
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VERSION=1.28
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VERSION=1.29
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RPM_VERSION=1
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VERSIONEDNAME=$(NAME)-$(VERSION)
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ARCH=noarch
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@ -1,278 +0,0 @@
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-type" content="text/html; charset=utf8">
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<title>Flawfinder Results</title>
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<meta name="author" content="David A. Wheeler">
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<meta name="keywords" lang="en" content="flawfinder results, security scan">
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</head>
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<body>
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<h1>Flawfinder Results</h1>
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Here are the security scan results from
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<a href="http://www.dwheeler.com/flawfinder">Flawfinder version 1.28</a>,
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(C) 2001-2007 <a href="http://www.dwheeler.com">David A. Wheeler</a>.
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Number of dangerous functions in C/C++ ruleset: 160
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<p>
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Examining test.c <br>
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Examining test2.c <br>
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<ul>
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<li>test.c:32: <b> [5] </b> (buffer) <i> gets:
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Does not check for buffer overflows (CWE-120). Use fgets() instead. </i>
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<pre>
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gets(f);
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</pre>
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<li>test.c:56: <b> [5] </b> (buffer) <i> strncat:
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Easily used incorrectly (e.g., incorrectly computing the correct
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maximum size to add) (CWE-120). Consider strcat_s, strlcat, or automatically
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resizing strings. Risk is high; the length parameter appears to be a
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constant, instead of computing the number of characters left. </i>
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<pre>
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strncat(d,s,sizeof(d)); /* Misuse - this should be flagged as riskier. */
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</pre>
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<li>test.c:57: <b> [5] </b> (buffer) <i> _tcsncat:
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Easily used incorrectly (e.g., incorrectly computing the correct
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maximum size to add) (CWE-120). Consider strcat_s, strlcat, or automatically
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resizing strings. Risk is high; the length parameter appears to be a
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constant, instead of computing the number of characters left. </i>
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<pre>
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_tcsncat(d,s,sizeof(d)); /* Misuse - flag as riskier */
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</pre>
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<li>test.c:60: <b> [5] </b> (buffer) <i> MultiByteToWideChar:
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Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
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high, it appears that the size is given as bytes, but the function
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requires size as characters. </i>
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<pre>
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MultiByteToWideChar(CP_ACP,0,szName,-1,wszUserName,sizeof(wszUserName));
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</pre>
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<li>test.c:62: <b> [5] </b> (buffer) <i> MultiByteToWideChar:
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Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
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high, it appears that the size is given as bytes, but the function
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requires size as characters. </i>
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<pre>
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MultiByteToWideChar(CP_ACP,0,szName,-1,wszUserName,sizeof wszUserName);
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</pre>
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<li>test.c:73: <b> [5] </b> (misc) <i> SetSecurityDescriptorDacl:
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Never create NULL ACLs; an attacker can set it to Everyone (Deny All
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Access), which would even forbid administrator access (CWE-732). </i>
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<pre>
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SetSecurityDescriptorDacl(&sd,TRUE,NULL,FALSE);
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</pre>
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<li>test.c:73: <b> [5] </b> (misc) <i> SetSecurityDescriptorDacl:
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Never create NULL ACLs; an attacker can set it to Everyone (Deny All
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Access), which would even forbid administrator access (CWE-732). </i>
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<pre>
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SetSecurityDescriptorDacl(&sd,TRUE,NULL,FALSE);
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</pre>
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<li>test.c:17: <b> [4] </b> (buffer) <i> strcpy:
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Does not check for buffer overflows when copying to destination
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(CWE-120). Consider using strcpy_s, strncpy, or strlcpy (warning, strncpy is
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easily misused). </i>
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<pre>
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strcpy(b, a);
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</pre>
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<li>test.c:20: <b> [4] </b> (buffer) <i> sprintf:
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Does not check for buffer overflows (CWE-120). Use sprintf_s,
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snprintf, or vsnprintf. </i>
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<pre>
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sprintf(s, "hello %s", bug);
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</pre>
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<li>test.c:21: <b> [4] </b> (buffer) <i> sprintf:
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Does not check for buffer overflows (CWE-120). Use sprintf_s,
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snprintf, or vsnprintf. </i>
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<pre>
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sprintf(s, gettext("hello %s"), bug);
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</pre>
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<li>test.c:22: <b> [4] </b> (format) <i> sprintf:
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Potential format string problem (CWE-134). Make format string
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constant. </i>
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<pre>
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sprintf(s, unknown, bug);
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</pre>
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<li>test.c:23: <b> [4] </b> (format) <i> printf:
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If format strings can be influenced by an attacker, they can be
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exploited (CWE-134). Use a constant for the format specification. </i>
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<pre>
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printf(bf, x);
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</pre>
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<li>test.c:25: <b> [4] </b> (buffer) <i> scanf:
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The scanf() family's %s operation, without a limit specification,
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permits buffer overflows (CWE-120). Specify a limit to %s, or use a
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different input function. </i>
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<pre>
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scanf("%s", s);
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</pre>
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<li>test.c:27: <b> [4] </b> (buffer) <i> scanf:
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The scanf() family's %s operation, without a limit specification,
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permits buffer overflows (CWE-120). Specify a limit to %s, or use a
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different input function. </i>
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<pre>
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scanf("%s", s);
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</pre>
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<li>test.c:38: <b> [4] </b> (format) <i> syslog:
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If syslog's format strings can be influenced by an attacker, they can
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be exploited (CWE-134). Use a constant format string for syslog. </i>
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<pre>
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syslog(LOG_ERR, attacker_string);
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</pre>
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<li>test.c:49: <b> [4] </b> (buffer) <i> _mbscpy:
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Does not check for buffer overflows when copying to destination
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(CWE-120). Consider using a function version that stops copying at the end of
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the buffer. </i>
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<pre>
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_mbscpy(d,s); /* like strcpy, this doesn't check for buffer overflow */
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</pre>
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<li>test.c:52: <b> [4] </b> (buffer) <i> lstrcat:
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Does not check for buffer overflows when concatenating to destination
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(CWE-120). </i>
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<pre>
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lstrcat(d,s);
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</pre>
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<li>test.c:75: <b> [3] </b> (shell) <i> CreateProcess:
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This causes a new process to execute and is difficult to use safely
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(CWE-78). Specify the application path in the first argument, NOT as part
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of the second, or embedded spaces could allow an attacker to force a
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different program to run. </i>
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<pre>
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CreateProcess(NULL, "C:\\Program Files\\GoodGuy\\GoodGuy.exe -x", "");
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</pre>
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<li>test.c:75: <b> [3] </b> (shell) <i> CreateProcess:
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This causes a new process to execute and is difficult to use safely
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(CWE-78). Specify the application path in the first argument, NOT as part
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of the second, or embedded spaces could allow an attacker to force a
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different program to run. </i>
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<pre>
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CreateProcess(NULL, "C:\\Program Files\\GoodGuy\\GoodGuy.exe -x", "");
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</pre>
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<li>test.c:91: <b> [3] </b> (buffer) <i> getopt_long:
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Some older implementations do not protect against internal buffer
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overflows (CWE-120). Check implementation on installation, or limit the
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size of all string inputs. </i>
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<pre>
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while ((optc = getopt_long (argc, argv, "a",longopts, NULL )) != EOF) {
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</pre>
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<li>test.c:16: <b> [2] </b> (buffer) <i> strcpy:
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Does not check for buffer overflows when copying to destination
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(CWE-120). Consider using strcpy_s, strncpy, or strlcpy (warning, strncpy is
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easily misused). Risk is low because the source is a constant string. </i>
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<pre>
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strcpy(a, gettext("Hello there")); // Did this work?
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</pre>
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<li>test.c:19: <b> [2] </b> (buffer) <i> sprintf:
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Does not check for buffer overflows (CWE-120). Use sprintf_s,
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snprintf, or vsnprintf. Risk is low because the source has a constant maximum
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length. </i>
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<pre>
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sprintf(s, "hello");
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</pre>
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<li>test.c:45: <b> [2] </b> (buffer) <i> char:
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Statically-sized arrays can be overflowed (CWE-120). Perform bounds
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checking, use functions that limit length, or ensure that the size is
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larger than the maximum possible length (CWE-119). </i>
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<pre>
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char d[20];
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</pre>
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<li>test.c:46: <b> [2] </b> (buffer) <i> char:
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Statically-sized arrays can be overflowed (CWE-120). Perform bounds
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checking, use functions that limit length, or ensure that the size is
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larger than the maximum possible length (CWE-119). </i>
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<pre>
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char s[20];
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</pre>
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<li>test.c:50: <b> [2] </b> (buffer) <i> memcpy:
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Does not check for buffer overflows when copying to destination
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(CWE-120). Make sure destination can always hold the source data. </i>
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<pre>
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memcpy(d,s);
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</pre>
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<li>test.c:51: <b> [2] </b> (buffer) <i> CopyMemory:
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Does not check for buffer overflows when copying to destination
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(CWE-120). Make sure destination can always hold the source data. </i>
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<pre>
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CopyMemory(d,s);
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</pre>
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<li>test.c:97: <b> [2] </b> (misc) <i> fopen:
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Check when opening files - can an attacker redirect it (via symlinks),
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force the opening of special file type (e.g., device files), move
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things around to create a race condition, control its ancestors, or change
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its contents? (CWE-362). </i>
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<pre>
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f = fopen("/etc/passwd", "r");
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</pre>
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<li>test.c:15: <b> [1] </b> (buffer) <i> strcpy:
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Does not check for buffer overflows when copying to destination
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(CWE-120). Consider using strcpy_s, strncpy, or strlcpy (warning, strncpy is
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easily misused). Risk is low because the source is a constant
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character. </i>
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<pre>
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strcpy(a, "\n"); // Did this work?
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</pre>
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<li>test.c:18: <b> [1] </b> (buffer) <i> sprintf:
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Does not check for buffer overflows (CWE-120). Use sprintf_s,
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snprintf, or vsnprintf. Risk is low because the source is a constant character. </i>
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<pre>
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sprintf(s, "\n");
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</pre>
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<li>test.c:26: <b> [1] </b> (buffer) <i> scanf:
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it's unclear if the %s limit in the format string is small enough
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(CWE-120). Check that the limit is sufficiently small, or use a different
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input function. </i>
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<pre>
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scanf("%10s", s);
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</pre>
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<li>test.c:53: <b> [1] </b> (buffer) <i> strncpy:
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Easily used incorrectly; doesn't always \0-terminate or check for
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invalid pointers (CWE-120). </i>
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<pre>
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strncpy(d,s);
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</pre>
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<li>test.c:54: <b> [1] </b> (buffer) <i> _tcsncpy:
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Easily used incorrectly; doesn't always \0-terminate or check for
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invalid pointers (CWE-120). </i>
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<pre>
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_tcsncpy(d,s);
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</pre>
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<li>test.c:55: <b> [1] </b> (buffer) <i> strncat:
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Easily used incorrectly (e.g., incorrectly computing the correct
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maximum size to add) (CWE-120). Consider strcat_s, strlcat, or automatically
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resizing strings. </i>
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<pre>
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strncat(d,s,10);
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</pre>
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<li>test.c:58: <b> [1] </b> (buffer) <i> strlen:
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Does not handle strings that are not \0-terminated (it could cause a
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crash if unprotected) (CWE-119). </i>
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<pre>
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n = strlen(d);
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</pre>
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<li>test.c:64: <b> [1] </b> (buffer) <i> MultiByteToWideChar:
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Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
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very low, the length appears to be in characters not bytes. </i>
|
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<pre>
|
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MultiByteToWideChar(CP_ACP,0,szName,-1,wszUserName,sizeof(wszUserName)/sizeof(wszUserName[0]));
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</pre>
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<li>test.c:66: <b> [1] </b> (buffer) <i> MultiByteToWideChar:
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Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
|
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very low, the length appears to be in characters not bytes. </i>
|
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<pre>
|
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MultiByteToWideChar(CP_ACP,0,szName,-1,wszUserName,sizeof wszUserName /sizeof(wszUserName[0]));
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</pre>
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</ul>
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<p>
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Hits = 36
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<br>
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Lines analyzed = 118
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<br>
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Physical Source Lines of Code (SLOC) = 80
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<br>
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Hits@level = [0] 0 [1] 9 [2] 7 [3] 3 [4] 10 [5] 7 <br>
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Hits@level+ = [0+] 36 [1+] 36 [2+] 27 [3+] 20 [4+] 17 [5+] 7 <br>
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Hits/KSLOC@level+ = [0+] 450 [1+] 450 [2+] 337.5 [3+] 250 [4+] 212.5 [5+] 87.5 <br>
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Suppressed hits = 2 (use --neverignore to show them)
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<br>
|
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Minimum risk level = 1
|
||||
<br>
|
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Not every hit is necessarily a security vulnerability.
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<br>
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There may be other security vulnerabilities; review your code!
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||||
</body>
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||||
</html>
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150
test-results.txt
150
test-results.txt
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@ -1,150 +0,0 @@
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Flawfinder version 1.28, (C) 2001-2007 David A. Wheeler.
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Number of dangerous functions in C/C++ ruleset: 160
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Examining test.c
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Examining test2.c
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test.c:32: [5] (buffer) gets:
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Does not check for buffer overflows (CWE-120). Use fgets() instead.
|
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test.c:56: [5] (buffer) strncat:
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Easily used incorrectly (e.g., incorrectly computing the correct
|
||||
maximum size to add) (CWE-120). Consider strcat_s, strlcat, or automatically
|
||||
resizing strings. Risk is high; the length parameter appears to be a
|
||||
constant, instead of computing the number of characters left.
|
||||
test.c:57: [5] (buffer) _tcsncat:
|
||||
Easily used incorrectly (e.g., incorrectly computing the correct
|
||||
maximum size to add) (CWE-120). Consider strcat_s, strlcat, or automatically
|
||||
resizing strings. Risk is high; the length parameter appears to be a
|
||||
constant, instead of computing the number of characters left.
|
||||
test.c:60: [5] (buffer) MultiByteToWideChar:
|
||||
Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
|
||||
high, it appears that the size is given as bytes, but the function
|
||||
requires size as characters.
|
||||
test.c:62: [5] (buffer) MultiByteToWideChar:
|
||||
Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
|
||||
high, it appears that the size is given as bytes, but the function
|
||||
requires size as characters.
|
||||
test.c:73: [5] (misc) SetSecurityDescriptorDacl:
|
||||
Never create NULL ACLs; an attacker can set it to Everyone (Deny All
|
||||
Access), which would even forbid administrator access (CWE-732).
|
||||
test.c:73: [5] (misc) SetSecurityDescriptorDacl:
|
||||
Never create NULL ACLs; an attacker can set it to Everyone (Deny All
|
||||
Access), which would even forbid administrator access (CWE-732).
|
||||
test.c:17: [4] (buffer) strcpy:
|
||||
Does not check for buffer overflows when copying to destination
|
||||
(CWE-120). Consider using strcpy_s, strncpy, or strlcpy (warning, strncpy is
|
||||
easily misused).
|
||||
test.c:20: [4] (buffer) sprintf:
|
||||
Does not check for buffer overflows (CWE-120). Use sprintf_s,
|
||||
snprintf, or vsnprintf.
|
||||
test.c:21: [4] (buffer) sprintf:
|
||||
Does not check for buffer overflows (CWE-120). Use sprintf_s,
|
||||
snprintf, or vsnprintf.
|
||||
test.c:22: [4] (format) sprintf:
|
||||
Potential format string problem (CWE-134). Make format string
|
||||
constant.
|
||||
test.c:23: [4] (format) printf:
|
||||
If format strings can be influenced by an attacker, they can be
|
||||
exploited (CWE-134). Use a constant for the format specification.
|
||||
test.c:25: [4] (buffer) scanf:
|
||||
The scanf() family's %s operation, without a limit specification,
|
||||
permits buffer overflows (CWE-120). Specify a limit to %s, or use a
|
||||
different input function.
|
||||
test.c:27: [4] (buffer) scanf:
|
||||
The scanf() family's %s operation, without a limit specification,
|
||||
permits buffer overflows (CWE-120). Specify a limit to %s, or use a
|
||||
different input function.
|
||||
test.c:38: [4] (format) syslog:
|
||||
If syslog's format strings can be influenced by an attacker, they can
|
||||
be exploited (CWE-134). Use a constant format string for syslog.
|
||||
test.c:49: [4] (buffer) _mbscpy:
|
||||
Does not check for buffer overflows when copying to destination
|
||||
(CWE-120). Consider using a function version that stops copying at the end of
|
||||
the buffer.
|
||||
test.c:52: [4] (buffer) lstrcat:
|
||||
Does not check for buffer overflows when concatenating to destination
|
||||
(CWE-120).
|
||||
test.c:75: [3] (shell) CreateProcess:
|
||||
This causes a new process to execute and is difficult to use safely
|
||||
(CWE-78). Specify the application path in the first argument, NOT as part
|
||||
of the second, or embedded spaces could allow an attacker to force a
|
||||
different program to run.
|
||||
test.c:75: [3] (shell) CreateProcess:
|
||||
This causes a new process to execute and is difficult to use safely
|
||||
(CWE-78). Specify the application path in the first argument, NOT as part
|
||||
of the second, or embedded spaces could allow an attacker to force a
|
||||
different program to run.
|
||||
test.c:91: [3] (buffer) getopt_long:
|
||||
Some older implementations do not protect against internal buffer
|
||||
overflows (CWE-120). Check implementation on installation, or limit the
|
||||
size of all string inputs.
|
||||
test.c:16: [2] (buffer) strcpy:
|
||||
Does not check for buffer overflows when copying to destination
|
||||
(CWE-120). Consider using strcpy_s, strncpy, or strlcpy (warning, strncpy is
|
||||
easily misused). Risk is low because the source is a constant string.
|
||||
test.c:19: [2] (buffer) sprintf:
|
||||
Does not check for buffer overflows (CWE-120). Use sprintf_s,
|
||||
snprintf, or vsnprintf. Risk is low because the source has a constant maximum
|
||||
length.
|
||||
test.c:45: [2] (buffer) char:
|
||||
Statically-sized arrays can be overflowed (CWE-120). Perform bounds
|
||||
checking, use functions that limit length, or ensure that the size is
|
||||
larger than the maximum possible length (CWE-119).
|
||||
test.c:46: [2] (buffer) char:
|
||||
Statically-sized arrays can be overflowed (CWE-120). Perform bounds
|
||||
checking, use functions that limit length, or ensure that the size is
|
||||
larger than the maximum possible length (CWE-119).
|
||||
test.c:50: [2] (buffer) memcpy:
|
||||
Does not check for buffer overflows when copying to destination
|
||||
(CWE-120). Make sure destination can always hold the source data.
|
||||
test.c:51: [2] (buffer) CopyMemory:
|
||||
Does not check for buffer overflows when copying to destination
|
||||
(CWE-120). Make sure destination can always hold the source data.
|
||||
test.c:97: [2] (misc) fopen:
|
||||
Check when opening files - can an attacker redirect it (via symlinks),
|
||||
force the opening of special file type (e.g., device files), move
|
||||
things around to create a race condition, control its ancestors, or change
|
||||
its contents? (CWE-362).
|
||||
test.c:15: [1] (buffer) strcpy:
|
||||
Does not check for buffer overflows when copying to destination
|
||||
(CWE-120). Consider using strcpy_s, strncpy, or strlcpy (warning, strncpy is
|
||||
easily misused). Risk is low because the source is a constant
|
||||
character.
|
||||
test.c:18: [1] (buffer) sprintf:
|
||||
Does not check for buffer overflows (CWE-120). Use sprintf_s,
|
||||
snprintf, or vsnprintf. Risk is low because the source is a constant character.
|
||||
test.c:26: [1] (buffer) scanf:
|
||||
it's unclear if the %s limit in the format string is small enough
|
||||
(CWE-120). Check that the limit is sufficiently small, or use a different
|
||||
input function.
|
||||
test.c:53: [1] (buffer) strncpy:
|
||||
Easily used incorrectly; doesn't always \0-terminate or check for
|
||||
invalid pointers (CWE-120).
|
||||
test.c:54: [1] (buffer) _tcsncpy:
|
||||
Easily used incorrectly; doesn't always \0-terminate or check for
|
||||
invalid pointers (CWE-120).
|
||||
test.c:55: [1] (buffer) strncat:
|
||||
Easily used incorrectly (e.g., incorrectly computing the correct
|
||||
maximum size to add) (CWE-120). Consider strcat_s, strlcat, or automatically
|
||||
resizing strings.
|
||||
test.c:58: [1] (buffer) strlen:
|
||||
Does not handle strings that are not \0-terminated (it could cause a
|
||||
crash if unprotected) (CWE-119).
|
||||
test.c:64: [1] (buffer) MultiByteToWideChar:
|
||||
Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
|
||||
very low, the length appears to be in characters not bytes.
|
||||
test.c:66: [1] (buffer) MultiByteToWideChar:
|
||||
Requires maximum length in CHARACTERS, not bytes (CWE-120). Risk is
|
||||
very low, the length appears to be in characters not bytes.
|
||||
|
||||
Hits = 36
|
||||
Lines analyzed = 118
|
||||
Physical Source Lines of Code (SLOC) = 80
|
||||
Hits@level = [0] 0 [1] 9 [2] 7 [3] 3 [4] 10 [5] 7
|
||||
Hits@level+ = [0+] 36 [1+] 36 [2+] 27 [3+] 20 [4+] 17 [5+] 7
|
||||
Hits/KSLOC@level+ = [0+] 450 [1+] 450 [2+] 337.5 [3+] 250 [4+] 212.5 [5+] 87.5
|
||||
Suppressed hits = 2 (use --neverignore to show them)
|
||||
Minimum risk level = 1
|
||||
Not every hit is necessarily a security vulnerability.
|
||||
There may be other security vulnerabilities; review your code!
|
||||
|
||||
Testing for no ending newline:
|
||||
Lines analyzed = 32
|
||||
Loading…
Reference in New Issue