GLSA 201606-04: GnuPG: Multiple vulnerabilities

Severity:normal
Title:GnuPG: Multiple vulnerabilities
Date:06/05/2016
Bugs: #534110, #541564, #541568
ID:201606-04

Synopsis

Multiple vulnerabilities have been found in GnuPG and libgcrypt, the worst of which may allow a local attacker to obtain confidential key information.

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 < 2.0.26-r3 >= 2.0.26-r3 All supported architectures
dev-libs/libgcrypt < 1.6.3-r4 >= 1.6.3-r4 All supported architectures

Description

Multiple vulnerabilities have been discovered in GnuPG and libgcrypt, please review the CVE identifiers referenced below for details.

Impact

A local attacker could possibly cause a Denial of Service condition. Side-channel attacks could be leveraged to obtain key material.

Workaround

There is no known workaround at this time.

Resolution

All GnuPG 2 users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-2.0.26-r3"
    

All GnuPG 1 users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-1.4.19"

All libgcrypt users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libgcrypt-1.6.3-r4"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201606-04.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 2010 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.

Thank you!