[ GLSA 201606-04 ] GnuPG

[GLSA]

Gentoo Linux Security Advisory

Title: GnuPG: Multiple vulnerabilities (GLSA 201606-04)
Severity: normal
Exploitable: local, remote
Date: June 05, 2016
Updated: June 10, 2016
Bug(s): #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: app-crypt/gnupg
Vulnerable: < 2.0.26-r3
Unaffected: >= 2.0.26-r3
Unaffected: >= 1.4.19 < 1.4.20
Unaffected: >= 1.4.20 < 1.4.21
Unaffected: >= 1.4.21 < 1.4.22
Unaffected: >= 1.4.22 < 1.4.23
Architectures: All supported architectures

Package: dev-libs/libgcrypt
Vulnerable: < 1.6.3-r4
Unaffected: >= 1.6.3-r4
Architectures: 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: