GLSA 200903-26: TMSNC: Execution of arbitrary code

http://security.gentoo.org/

Severity:	normal
Title:	TMSNC: Execution of arbitrary code
Date:	03/12/2009
Bugs:	#229157
ID:	200903-26

Synopsis

A buffer overflow in TMSNC might lead to the execution of arbitrary code when processing an instant message.

Background

TMSNC is a Textbased client for the MSN instant messaging protocol.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-im/tmsnc	<= 0.3.2-r1		All supported architectures

Description

Nico Golde reported a stack-based buffer overflow when processing a MSN packet with a UBX command containing a large UBX payload length field.

Impact

A remote attacker could send a specially crafted message, possibly resulting in the execution of arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

Since TMSNC is no longer maintained, we recommend that users unmerge the vulnerable package and switch to another console-based MSN client such as CenterIM or Pebrot:

    # emerge --unmerge "net-im/tmsnc"

References

CVE-2008-2828

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200903-26.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.