diff options
Diffstat (limited to 'gnu/packages/patches/gd-CVE-2016-7568.patch')
| -rw-r--r-- | gnu/packages/patches/gd-CVE-2016-7568.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/gnu/packages/patches/gd-CVE-2016-7568.patch b/gnu/packages/patches/gd-CVE-2016-7568.patch deleted file mode 100644 index 6a1a63296c..0000000000 --- a/gnu/packages/patches/gd-CVE-2016-7568.patch +++ /dev/null @@ -1,44 +0,0 @@ -Fix CVE-2016-7568 (integer overflow in gdImageWebpCtx()): - -https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7568 - -Patch copied from upstream source repository: - -https://github.com/libgd/libgd/commit/2806adfdc27a94d333199345394d7c302952b95f - -From 2806adfdc27a94d333199345394d7c302952b95f Mon Sep 17 00:00:00 2001 -From: trylab <trylab@users.noreply.github.com> -Date: Tue, 6 Sep 2016 18:35:32 +0800 -Subject: [PATCH] Fix integer overflow in gdImageWebpCtx - -Integer overflow can be happened in expression gdImageSX(im) * 4 * -gdImageSY(im). It could lead to heap buffer overflow in the following -code. This issue has been reported to the PHP Bug Tracking System. The -proof-of-concept file will be supplied some days later. This issue was -discovered by Ke Liu of Tencent's Xuanwu LAB. ---- - src/gd_webp.c | 8 ++++++++ - 1 file changed, 8 insertions(+) - -diff --git a/src/gd_webp.c b/src/gd_webp.c -index 8eb4dee..9886399 100644 ---- a/src/gd_webp.c -+++ b/src/gd_webp.c -@@ -199,6 +199,14 @@ BGD_DECLARE(void) gdImageWebpCtx (gdImagePtr im, gdIOCtx * outfile, int quality) - quality = 80; - } - -+ if (overflow2(gdImageSX(im), 4)) { -+ return; -+ } -+ -+ if (overflow2(gdImageSX(im) * 4, gdImageSY(im))) { -+ return; -+ } -+ - argb = (uint8_t *)gdMalloc(gdImageSX(im) * 4 * gdImageSY(im)); - if (!argb) { - return; --- -2.10.0 - |