[arch-security] [ASA-201610-9] gdk-pixbuf2: arbitrary code execution

[Levente Polyak]

Arch Linux Security Advisory ASA-201610-9
=========================================

Severity: Critical
Date    : 2016-10-13
CVE-ID  : CVE-2016-6352
Package : gdk-pixbuf2
Type    : arbitrary code execution
Remote  : Yes
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package gdk-pixbuf2 before version 2.36.0+2+ga7c869a-1 is
vulnerable to arbitrary code execution.

Resolution
==========

Upgrade to 2.36.0+2+ga7c869a-1.

# pacman -Syu "gdk-pixbuf2>=2.36.0+2+ga7c869a-1"

The problem has been fixed upstream in version 2.35.3.

Workaround
==========

None.

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

An out-of-bounds write has been discovered in the OneLine32() function
while parsing an ico file. A maliciously crafted file can cause the
application to crash or possibly execute arbitrary code.

Impact
======

A remote attacker is able to use a specially crafted ico file that,
when loaded, is leading to arbitrary code execution.

References
==========

https://bugzilla.gnome.org/show_bug.cgi?id=769170
https://bugzilla.redhat.com/show_bug.cgi?id=1349751
https://git.gnome.org/browse/gdk-pixbuf/commit/?id=88af50a864195da1a4f7bda5f02539704fbda599
https://access.redhat.com/security/cve/CVE-2016-6352

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