Arch Linux alert ASA-201605-8 (gd)

From:
    	     
 
Remi Gacogne <rgacogne@archlinux.org> 
To:
    	     
 
arch-security@archlinux.org 
Subject:
    	     
 
[arch-security] [ASA-201605-8] gd: arbitrary code execution 
Date:
    	     
 
Fri, 6 May 2016 20:03:10 +0200
Message-ID:
    	     
 
<12b2da56-d011-46e1-446a-0e464b6fe039@archlinux.org>
Arch Linux Security Advisory ASA-201605-8
=========================================

Severity: Critical
Date    : 2016-05-06
CVE-ID  : CVE-2016-3074
Package : gd
Type    : arbitrary code execution
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package gd before version 2.1.1-4 is vulnerable to arbitrary code
execution.

Resolution
==========

Upgrade to 2.1.1-4.

# pacman -Syu "gd>=2.1.1-4"

The problem has been fixed upstream, but a version including the fix has
not been released yet.

Workaround
==========

None.

Description
===========

A heap-based buffer overflow caused by an integer signedness error has
been found in the libgd code handling compressed gd2 chunks.

Impact
======

A remote attacker can cause a denial of service or execute arbitrary
code on the affected host by submitting a crafted image file.

References
==========

http://seclists.org/oss-sec/2016/q2/128
https://github.com/libgd/libgd/commit/2bb97f407c1145c8504...
https://access.redhat.com/security/cve/CVE-2016-3074