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Gentoo: GLSA-201110-15 Normal: GnuPG Arbitrary Code Execution Risk

gentoo
Calendar Grey October 22, 2011
Dist Gentoo Esm H88
GnuPG security update for Gentoo warns about a user-initiated vulnerability that could lead to arbitrary code execution. Update immediately!
The GPGSM utility included in GnuPG contains a use-after-free vulnerability that may allow an unauthenticated remote attacker to execute arbitrary code

Summary

The GPGSM utility in GnuPG contains a use-after-free vulnerability that may be exploited when importing a crafted X.509 certificate explicitly or during the signature verification process.

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution GnuPG normal severity

Resolution

All GnuPG 2.x users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-crypt/gnupg-2.0.16-r1"

References

[ 1 ] CVE-2010-2547 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2547

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201110-15
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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: User-assisted execution of arbitrary code
Date: October 22, 2011
Bugs: #329583
ID: 201110-15

Topics%20covered

Topics Covered

security advisory Gentoo arbitrary code execution GnuPG normal severity

Synopsis

The GPGSM utility included in GnuPG contains a use-after-free vulnerability that may allow an unauthenticated remote attacker to execute arbitrary code.

Background

The GNU Privacy Guard, GnuPG, is a free replacement for the PGP suite of cryptographic software. The GPGSM utility in GnuPG is responsible for processing X.509 certificates, signatures and encryption as well as S/MIME messages.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-crypt/gnupg < 2.0.16-r1 >= 2.0.16-r1 < 2.0

Impact

===== An unauthenticated remote attacker may execute arbitrary code with the privileges of the user running GnuPG by enticing them to import a crafted certificate.

Workaround

There is no known workaround at this time.

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