diff options
Diffstat (limited to 'gnu/packages/patches/lcms-fix-out-of-bounds-read.patch')
| -rw-r--r-- | gnu/packages/patches/lcms-fix-out-of-bounds-read.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gnu/packages/patches/lcms-fix-out-of-bounds-read.patch b/gnu/packages/patches/lcms-fix-out-of-bounds-read.patch new file mode 100644 index 0000000000..d9f7ac6a36 --- /dev/null +++ b/gnu/packages/patches/lcms-fix-out-of-bounds-read.patch @@ -0,0 +1,34 @@ +Fix an out-of-bounds heap read in Type_MLU_Read(): + +http://seclists.org/oss-sec/2016/q3/288 +https://bugzilla.redhat.com/show_bug.cgi?id=1367357 + +Patch copied from upstream source repository: + +https://github.com/mm2/Little-CMS/commit/5ca71a7bc18b6897ab21d815d15e218e204581e2 + +From 5ca71a7bc18b6897ab21d815d15e218e204581e2 Mon Sep 17 00:00:00 2001 +From: Marti <marti.maria@tktbrainpower.com> +Date: Mon, 15 Aug 2016 23:31:39 +0200 +Subject: [PATCH] Added an extra check to MLU bounds + +Thanks to Ibrahim el-sayed for spotting the bug +--- + src/cmstypes.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/src/cmstypes.c b/src/cmstypes.c +index cb61860..c7328b9 100644 +--- a/src/cmstypes.c ++++ b/src/cmstypes.c +@@ -1460,6 +1460,7 @@ void *Type_MLU_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsU + + // Check for overflow + if (Offset < (SizeOfHeader + 8)) goto Error; ++ if ((Offset + Len) > SizeOfTag + 8) goto Error; + + // True begin of the string + BeginOfThisString = Offset - SizeOfHeader - 8; +-- +2.11.0 + |