GLSA 201207-03: ChaSen: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	ChaSen: User-assisted execution of arbitrary code
Date:	07/09/2012
Bugs:	#390769
ID:	201207-03

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	Architecture(s)
app-text/chasen	< 2.4.4-r2	>= 2.4.4-r2	All supported architectures

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

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.