GLSA 201209-10: Calligra: User-assisted execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	Calligra: User-assisted execution of arbitrary code
Date:	09/25/2012
Bugs:	#428890
ID:	201209-10

Synopsis

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

Background

Calligra is an office suite by KDE.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-office/calligra	< 2.4.3-r1	>= 2.4.3-r1	All supported architectures

Description

An error in the read() function in styles.cpp could cause a heap-based buffer overflow.

Impact

A remote attacker could entice a user to open a specially crafted ODF file, 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 Calligra users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-office/calligra-2.4.3-r1"

References

CVE-2012-3456

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201209-10.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.