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Gentoo Linux Security Advisory 201207-03

Gentoo Linux Security Advisory 201207-03
Posted Jul 10, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201207-3 - A buffer overflow vulnerability in ChaSen could result in the execution of arbitrary code. Versions less than 2.4.4-r2 are affected.

tags | advisory, overflow, arbitrary
systems | linux, gentoo
advisories | CVE-2011-4000
MD5 | 761776c46a0de8f67109bf1bcf2c3939

Gentoo Linux Security Advisory 201207-03

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201207-03
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http://security.gentoo.org/
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Severity: Normal
Title: ChaSen: User-assisted execution of arbitrary code
Date: July 09, 2012
Bugs: #390769
ID: 201207-03

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Synopsis
========

A buffer overflow vulnerability in ChaSen could result in the execution
of arbitrary code.

Background
==========

ChaSen is a Japanese morphological analysis system.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-text/chasen < 2.4.4-r2 >= 2.4.4-r2

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

An error in chalib.c of ChaSen could cause a buffer overflow.

Impact
======

A remote attacker could entice a user to open a specially crafted text
file using ChaSen or an application using the ChaSen libraries,
possibly resulting in 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 ChaSen users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/chasen-2.4.4-r2"

References
==========

[ 1 ] CVE-2011-4000
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4000

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

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

http://security.gentoo.org/glsa/glsa-201207-03.xml

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 2012 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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