GLSA 200608-08: GnuPG: Integer overflow vulnerability

http://security.gentoo.org/

Severity:	high
Title:	GnuPG: Integer overflow vulnerability
Date:	08/05/2006
Bugs:	#142248
ID:	200608-08

Synopsis

GnuPG is vulnerable to an integer overflow that could lead to the execution of arbitrary code.

Background

The GNU Privacy Guard, GnuPG, is a free replacement for the PGP suite of cryptographic software.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
app-crypt/gnupg	< 1.4.5	>= 1.4.5	All supported architectures

Description

Evgeny Legerov discovered a vulnerability in GnuPG that when certain packets are handled an integer overflow may occur.

Impact

By sending a specially crafted email to a user running an affected version of GnuPG, a remote attacker could possibly execute arbitrary code with the permissions of the user running GnuPG.

Workaround

There is no known workaround at this time.

Resolution

All GnuPG users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose "=app-crypt/gnupg-1.4*"

References

CVE-2006-3746

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200608-08.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.