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Gentoo Linux Security Advisory 201612-40

Gentoo Linux Security Advisory 201612-40
Posted Dec 13, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201612-40 - Multiple vulnerabilities have been found in SQUASHFS, the worst of which may allow execution of arbitrary code. Versions less than 4.3 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2012-4024, CVE-2012-4025
SHA-256 | d5f8c63d1aadca9db48f4fe26bcea34d797e77eb2f4417a0d6dcdfac476caeaf

Gentoo Linux Security Advisory 201612-40

Change Mirror Download

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Gentoo Linux Security Advisory GLSA 201612-40
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https://security.gentoo.org/
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Severity: Normal
Title: SQUASHFS: Multiple vulnerabilities
Date: December 13, 2016
Bugs: #427356
ID: 201612-40

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Synopsis
========

Multiple vulnerabilities have been found in SQUASHFS, the worst of
which may allow execution of arbitrary code.

Background
==========

Squashfs is a compressed read-only filesystem for Linux. Squashfs is
intended for general read-only filesystem use, for archival use (i.e.
in cases where a .tar.gz file may be used), and in constrained block
device/memory systems (e.g. embedded systems) where low overhead is
needed.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 squashfs-tools < 4.3 >= 4.3

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

Multiple vulnerabilities have been discovered in SQUASHFS. Please
review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could entice a user to open a specially crafted .sqsh
file using unsquashfs; possibly resulting in the execution of arbitrary
code with the privileges of the process, or a Denial of Service
condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All squashfs-tools users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=squashfs-tools-4.3"

References
==========

[ 1 ] CVE-2012-4024
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4024
[ 2 ] CVE-2012-4025
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4025

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201612-40

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2016 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5


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