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- Resolves: #1076676 CVE-2014-2497

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Previous patch indroduced memory leak. Using upstream version.
  463c3bd09b
This commit is contained in:
Jozef Mlich 2015-01-08 13:49:40 +01:00
parent cd2020e967
commit b076ebc318
2 changed files with 34 additions and 18 deletions
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43
gd-2.1.0-color_c_null_pointer.patch
View File

@ -1,18 +1,29 @@
diff -up ./src/gdxpm.c.color_c_null_pointer ./src/gdxpm.c
--- ./src/gdxpm.c.color_c_null_pointer 2013-06-25 11:58:23.000000000 +0200
+++ ./src/gdxpm.c 2014-07-16 16:43:44.000000000 +0200
@@ -62,6 +62,13 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFro
for(i = 0; i < number; i++) {
char *c_color = image.colorTable[i].c_color;
+ if (!c_color)
+ {
+ /* unsupported color key or color key not defined */
+ gdImageDestroy(im);
+ im = 0;
From 463c3bd09bfe8e924e19acad7a2a6af16953a704 Mon Sep 17 00:00:00 2001
From: Remi Collet <fedora@famillecollet.com>
Date: Mon, 4 Aug 2014 10:31:25 +0200
Subject: [PATCH] CVE-2014-2497, NULL pointer dereference, fix #126
---
src/gdxpm.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff -up ./src/gdxpm.c.1076676 ./src/gdxpm.c
--- ./src/gdxpm.c.1076676 2013-06-25 11:58:23.000000000 +0200
+++ ./src/gdxpm.c 2015-01-08 13:39:36.600424371 +0100
@@ -49,6 +49,16 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFro
if(overflow2(sizeof(int), number)) {
goto done;
}
+ for(i = 0; i < number; i++) {
+ /*
+ avoid NULL pointer dereference
+ TODO better fix need to manage monochrome/monovisual
+ see m_color or g4_color or g_color
+ */
+ if (!image.colorTable[i].c_color) {
+ goto done;
+ }
if(strcmp(c_color, "None") == 0) {
colors[i] = gdImageGetTransparent(im);
if(colors[i] == -1) colors[i] = gdImageColorAllocate(im, 0, 0, 0);
diff -up ./x.color_c_null_pointer ./x
+ }
colors = (int *)gdMalloc(sizeof(int) * number);
if(colors == NULL) {

9
gd.spec
View File

@ -5,7 +5,7 @@
Summary: A graphics library for quick creation of PNG or JPEG images
Name: gd
Version: 2.1.0
Release: 7%{?prever}%{?short}%{?dist}
Release: 8%{?prever}%{?short}%{?dist}
Group: System Environment/Libraries
License: MIT
URL: http://libgd.bitbucket.org/
@ -18,7 +18,7 @@ Source0: https://bitbucket.org/libgd/gd-libgd/downloads/libgd-%{version}%{
%endif
Patch1: gd-2.1.0-multilib.patch
Patch2: gd-fixautoconf.patch
Patch3: gd-2.1.0-color_c_null_pointer.patch
Patch3: gd-2.1.0-color_c_null_pointer.patch
BuildRequires: freetype-devel
BuildRequires: fontconfig-devel
@ -141,6 +141,11 @@ make check
%changelog
* Thu Jan 08 2015 Jozef Mlich <jmlich@redhat.com - 2.1.0-8
- Resolves: #1076676 CVE-2014-2497
Previous patch indroduced memory leak. Using upstream version.
https://bitbucket.org/libgd/gd-libgd/commits/463c3bd09bfe8e924e19acad7a2a6af16953a704
* Sat Aug 16 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 2.1.0-7
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild