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libgssglue: Privilege escalation

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201209-22 / libgssglue
Release Date September 28, 2012
Latest Revision September 28, 2012: 1
Impact high
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
net-libs/libgssglue < 0.4 >= 0.4 All supported architectures

Related bugreports: #385321

Synopsis

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

2.  Impact Information

Background

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

Description

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

Impact

A local attacker could gain escalated privileges.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All libgssglue users should upgrade to the latest version:

Code Listing 3.1: Resolution

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

4.  References



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Page updated September 28, 2012

Summary: This is a Gentoo Linux Security Advisory

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