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Gentoo: GLSA-201402-24 Normal: GnuPG Libgcrypt Code Execution Risks

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Calendar Grey February 21, 2014
Scroller Gentoo
Several security weaknesses in GnuPG and Libgcrypt may lead to unauthorized code execution, potential service interruptions, or compromises of private keys.
Multiple vulnerabilities have been discovered in GnuPG and Libgcrypt, which may result in execution of arbitrary code, Denial of Service, or the disclosure of private keys

Summary

Multiple vulnerabilities have been discovered in GnuPG and Libgcrypt. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory denial of service gnupg code execution normal severity libgcrypt private key exposure

Resolution

All GnuPG 2.0 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-2.0.22"
All GnuPG 1.4 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-1.4.16"
All Libgcrypt users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libgcrypt-1.5.3"
Attack https://eprint.iacr.org/2013/448

References

details. [ 1 ] CVE-2012-6085 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6085 [ 2 ] CVE-2013-4242 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4242 [ 3 ] CVE-2013-4351 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4351 [ 4 ] CVE-2013-4402 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4402

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201402-24
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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.

Severity: Normal
Title: GnuPG, Libgcrypt: Multiple vulnerabilities
Date: February 21, 2014
Bugs: #449546, #478184, #484836, #487230, #494658
ID: 201402-24

Topics%20covered

Topics Covered

security advisory denial of service gnupg code execution normal severity libgcrypt private key exposure

Synopsis

Multiple vulnerabilities have been discovered in GnuPG and Libgcrypt, which may result in execution of arbitrary code, Denial of Service, or the disclosure of private keys.

Background

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

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-crypt/gnupg < 2.0.22 *>= 1.4.16 >= 2.0.22 2 dev-libs/libgcrypt < 1.5.3 >= 1.5.3 ------------------------------------------------------------------- 2 affected packages

Impact

===== An unauthenticated remote attacker may be able to execute arbitrary code with the privileges of the user running GnuPG, cause a Denial of Service condition, or bypass security restrictions. Additionally, a side-channel attack may allow a local attacker to recover a private

Workaround

There is no known workaround at this time.