diff options
Diffstat (limited to 'gnu/packages/patches/gd-CVE-2016-6132.patch')
| -rw-r--r-- | gnu/packages/patches/gd-CVE-2016-6132.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/gnu/packages/patches/gd-CVE-2016-6132.patch b/gnu/packages/patches/gd-CVE-2016-6132.patch new file mode 100644 index 0000000000..4c475b71b2 --- /dev/null +++ b/gnu/packages/patches/gd-CVE-2016-6132.patch @@ -0,0 +1,55 @@ +Fix CVE-2016-6132 (read out-of-bounds when parsing TGA files). + +https://cve.mitre.org/cgi-bin/cvename.cgi?name=2016-6132 + +Copied from upstream commit: +https://github.com/libgd/libgd/commit/ead349e99868303b37f5e6e9d9d680c9dc71ff8d + +From ead349e99868303b37f5e6e9d9d680c9dc71ff8d Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Ond=C5=99ej=20Sur=C3=BD?= <ondrej@sury.org> +Date: Tue, 12 Jul 2016 11:24:09 +0200 +Subject: [PATCH] Fix #247, A read out-of-bands was found in the parsing of TGA + files (CVE-2016-6132) + +--- + src/gd_tga.c | 13 +++++++++++-- + 1 file changed, 11 insertions(+), 2 deletions(-) + +diff --git a/src/gd_tga.c b/src/gd_tga.c +index ef20f86..20fe2d2 100644 +--- a/src/gd_tga.c ++++ b/src/gd_tga.c +@@ -237,7 +237,11 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga ) + return -1; + } + +- gdGetBuf(conversion_buffer, image_block_size, ctx); ++ if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) { ++ gd_error("gd-tga: premature end of image data\n"); ++ gdFree(conversion_buffer); ++ return -1; ++ } + + while (buffer_caret < image_block_size) { + tga->bitmap[buffer_caret] = (int) conversion_buffer[buffer_caret]; +@@ -257,11 +261,16 @@ int read_image_tga( gdIOCtx *ctx, oTga *tga ) + } + conversion_buffer = (unsigned char *) gdMalloc(image_block_size * sizeof(unsigned char)); + if (conversion_buffer == NULL) { ++ gd_error("gd-tga: premature end of image data\n"); + gdFree( decompression_buffer ); + return -1; + } + +- gdGetBuf( conversion_buffer, image_block_size, ctx ); ++ if (gdGetBuf(conversion_buffer, image_block_size, ctx) != image_block_size) { ++ gdFree(conversion_buffer); ++ gdFree(decompression_buffer); ++ return -1; ++ } + + buffer_caret = 0; + +-- +2.9.1 + |