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Gentoo Linux Security Advisory 201611-20

Gentoo Linux Security Advisory 201611-20
Posted Nov 22, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201611-20 - A buffer overflow in TestDisk might allow remote attackers to execute arbitrary code. Versions less than 7.0-r2 are affected.

tags | advisory, remote, overflow, arbitrary
systems | linux, gentoo
SHA-256 | dcdc93994e2a08593c7364a725d76d01ba45b80293d2feb7bd194282f907df0b

Gentoo Linux Security Advisory 201611-20

Change Mirror Download

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Gentoo Linux Security Advisory GLSA 201611-20
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https://security.gentoo.org/
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Severity: Normal
Title: TestDisk: User-assisted execution of arbitrary code
Date: November 22, 2016
Bugs: #548258
ID: 201611-20

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Synopsis
========

A buffer overflow in TestDisk might allow remote attackers to execute
arbitrary code.

Background
==========

TestDisk is powerful free data recovery software! It was primarily
designed to help recover lost partitions and/or make non-booting disks
bootable again when these symptoms are caused by faulty software:
certain types of viruses or human error (such as accidentally deleting
a Partition Table). Partition table recovery using TestDisk is really
easy.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-admin/testdisk < 7.0-r2 >= 7.0-r2

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

A buffer overflow can be triggered within TestDisk when a malicious
disk image is attempting to be recovered.

Impact
======

A remote attacker could coerce the victim to run TestDisk against their
malicious image. This may be leveraged by an attacker to crash
TestDisk and gain control of program execution.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All TestDisk users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-admin/testdisk-7.0"

References
==========

[ 1 ] TestDisk check_OS2MB Stack Buffer overflow
http://www.security-assessment.com/files/documents/advisory/Testdis=
k%20Check_OS2MB%20Stack%20Buffer%20Overflow%20-%20Release.pdf

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

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

https://security.gentoo.org/glsa/201611-20

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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