Gentoo: GLSA-201612-40 Normal Severity: SQUASHFS Code Execution Threat
gentoo
December 13, 2016
Multiple vulnerabilities have been found in SQUASHFS, the worst of which may allow execution of arbitrary code.
Summary
Multiple vulnerabilities have been discovered in SQUASHFS. Please review the CVE identifiers referenced below for details.
Topics Covered
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
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: SQUASHFS: Multiple vulnerabilities
Date: December 13, 2016
Bugs: #427356
ID: 201612-40
Topics Covered
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.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 squashfs-tools < 4.3 >= 4.3
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.
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