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authorMark H Weaver <mhw@netris.org>2015-07-25 23:48:54 -0400
committerMark H Weaver <mhw@netris.org>2015-07-27 04:38:44 -0400
commit35a12b47199a99b4a1407172be039f2f07f5efe7 (patch)
tree71e1a0a6854acb79830e43280219ea10a74d623d /gnu
parent6d7a0eeded965d4c60766dde9c8a07bfc476c0ac (diff)
gnu: ghostscript: Add fix for CVE-2015-3228.
* gnu/packages/patches/ghostscript-CVE-2015-3228.patch: New file. * gnu-system.am (dist_patch_DATA): Add it. * gnu/packages/ghostscript.scm (ghostscript)[source]: Add patch.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/packages/ghostscript.scm5
-rw-r--r--gnu/packages/patches/ghostscript-CVE-2015-3228.patch32
2 files changed, 35 insertions, 2 deletions
diff --git a/gnu/packages/ghostscript.scm b/gnu/packages/ghostscript.scm
index 09306e942d..bd57889888 100644
--- a/gnu/packages/ghostscript.scm
+++ b/gnu/packages/ghostscript.scm
@@ -1,6 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013 Andreas Enge <andreas@enge.fr>
-;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
+;;; Copyright © 2014, 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
;;;
@@ -129,7 +129,8 @@ printing, and psresize, for adjusting page sizes.")
(sha256
(base32
"0q4jj41p0qbr4mgcc9q78f5zs8cm1g57wgryhsm2yq4lfslm3ib1"))
- (patches (list (search-patch "ghostscript-runpath.patch")))
+ (patches (map search-patch '("ghostscript-CVE-2015-3228.patch"
+ "ghostscript-runpath.patch")))
(modules '((guix build utils)))
(snippet
;; Honor --docdir.
diff --git a/gnu/packages/patches/ghostscript-CVE-2015-3228.patch b/gnu/packages/patches/ghostscript-CVE-2015-3228.patch
new file mode 100644
index 0000000000..c19fdb1d43
--- /dev/null
+++ b/gnu/packages/patches/ghostscript-CVE-2015-3228.patch
@@ -0,0 +1,32 @@
+The file names in the upstream patch below were modified to apply to GNU
+ghostscript.
+
+From 0c0b0859ae1aba64861599f0e7f74f143f305932 Mon Sep 17 00:00:00 2001
+From: Chris Liddell <chris.liddell@artifex.com>
+Date: Tue, 7 Jul 2015 16:57:41 +0100
+Subject: [PATCH] Bug 696041: sanity check for memory allocation.
+
+In gs_heap_alloc_bytes(), add a sanity check to ensure we don't overflow the
+variable holding the actual number of bytes we allocate.
+
+No cluster differences
+---
+ gs/base/gsmalloc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/base/gsmalloc.c b/base/gsmalloc.c
+index 624552d..cad79c2 100644
+--- a/base/gsmalloc.c
++++ b/base/gsmalloc.c
+@@ -178,7 +178,7 @@ gs_heap_alloc_bytes(gs_memory_t * mem, uint size, client_name_t cname)
+ } else {
+ uint added = size + sizeof(gs_malloc_block_t);
+
+- if (mmem->limit - added < mmem->used)
++ if (added <= size || mmem->limit - added < mmem->used)
+ set_msg("exceeded limit");
+ else if ((ptr = (byte *) Memento_label(malloc(added), cname)) == 0)
+ set_msg("failed");
+--
+2.4.6
+