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[gentoo-announce] [ GLSA 201209-22 ] libgssglue: Privilege escalation

Posted on 28 September 2012
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201209-22
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http://security.gentoo.org/
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Severity: High
Title: libgssglue: Privilege escalation
Date: September 28, 2012
Bugs: #385321
ID: 201209-22

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Synopsis
========
A vulnerability in libgssglue may allow a local attacker to gain
escalated privileges.

Background
==========
libgssglue exports a GSSAPI interface which calls other random GSSAPI
libraries.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/libgssglue < 0.4 >= 0.4

Description
===========
libgssglue does not securely use getenv() when loading a library for a
setuid application.

Impact
======
A local attacker could gain escalated privileges.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All libgssglue users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libgssglue-0.4"

References
==========
[ 1 ] CVE-2011-2709
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2709

Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201209-22.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 2012 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.

http://creativecommons.org/licenses/by-sa/2.5


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