GNU C library: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201011-01 / glibc
Release Date	November 15, 2010
Latest Revision	November 15, 2010: 01
Impact	high
Exploitable	local remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
sys-libs/glibc	< 2.11.2-r3	>= 2.11.2-r3	All supported architectures

Related bugreports: #285818, #325555, #330923, #335871, #341755

Synopsis

Multiple vulnerabilities were found in glibc, the worst of which allowing local attackers to execute arbitrary code as root.

2. Impact Information

Background

The GNU C library is the standard C library used by Gentoo Linux systems.

Description

Multiple vulnerabilities were found in glibc, amongst others the widely-known recent LD_AUDIT and $ORIGIN issues. For further information please consult the CVE entries referenced below.

Impact

A local attacker could execute arbitrary code as root, cause a Denial of Service, or gain privileges. Additionally, a user-assisted remote attacker could cause the execution of arbitrary code, and a context-dependent attacker could cause a Denial of Service.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All GNU C library users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.11.2-r3"

4. References

Page updated November 15, 2010

Summary: This is a Gentoo Linux Security Advisory

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