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| author | Leo Famulari <leo@famulari.name> | 2017-01-23 01:31:24 -0500 |
|---|---|---|
| committer | Leo Famulari <leo@famulari.name> | 2017-01-23 15:34:03 -0500 |
| commit | 84b60a7cdfca1421a478894e279104a0c18a7c6d (patch) | |
| tree | 475672118a0357e59afcd4cae6e71b68b15d79fb /gnu/packages/patches | |
| parent | bed2e0dfd1f21f00508bca5eac425e5f7c9feec1 (diff) | |
| download | guix-84b60a7cdfca1421a478894e279104a0c18a7c6d.tar guix-84b60a7cdfca1421a478894e279104a0c18a7c6d.tar.gz | |
gnu: lcms: Fix an out-of-bounds read.
* gnu/packages/patches/lcms-fix-out-of-bounds-read.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/ghostscript.scm (lcms)[replacement]: New field.
[properties]: Specify the 'cpe-name'.
(lcms/fixed): New variable.
Diffstat (limited to 'gnu/packages/patches')
| -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 + |