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Fix Heap Buffer Overflow in function color_cmyk_to_rgb 

Fix uclouvain/openjpeg#774
This commit is contained in:
mayeut 2016-05-08 19:18:05 +02:00
parent 8f9cc62b3f
commit 162f6199c0
2 changed files with 10 additions and 1 deletions
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9
src/bin/common/color.c
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@ -855,7 +855,14 @@ void color_cmyk_to_rgb(opj_image_t *image)
w = image->comps[0].w;
h = image->comps[0].h;
if(image->numcomps < 4) return;
if (
(image->numcomps < 4)
|| (image->comps[0].dx != image->comps[1].dx) || (image->comps[0].dx != image->comps[2].dx) || (image->comps[0].dx != image->comps[3].dx)
|| (image->comps[0].dy != image->comps[1].dy) || (image->comps[0].dy != image->comps[2].dy) || (image->comps[0].dy != image->comps[3].dy)
) {
fprintf(stderr,"%s:%d:color_cmyk_to_rgb\n\tCAN NOT CONVERT\n", __FILE__,__LINE__);
return;
}
max = w * h;

2
tests/nonregression/test_suite.ctest.in
View File

@ -559,3 +559,5 @@ opj_decompress -i @INPUT_NR_PATH@/basn6a08.jp2 -o @TEMP_PATH@/basn6a08_tif-15.ti
opj_decompress -i @INPUT_NR_PATH@/issue726.j2k -o @TEMP_PATH@/issue726.png
# issue 733
!opj_decompress -i @INPUT_NR_PATH@/issue733.jp2 -o @TEMP_PATH@/issue733.png
# issue 774
!opj_decompress -i @INPUT_NR_PATH@/issue774.jp2 -o @TEMP_PATH@/issue774.png