mDNSResponder: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201201-05 / mDNSResponder
Release Date	January 22, 2012
Latest Revision	January 22, 2012: 1
Impact	high
Exploitable	local, remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-misc/mDNSResponder	< 212.1	>= 212.1	All supported architectures

Related bugreports: #290822

Synopsis

Multiple vulnerabilities have been found in mDNSResponder, which could lead to execution of arbitrary code with root privileges.

2. Impact Information

Background

mDNSResponder is a component of Apple's Bonjour, an initiative for zero-configuration networking.

Description

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

Impact

A local or remote attacker may be able to execute arbitrary code with root privileges or cause a Denial of Service.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All mDNSResponder users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/mDNSResponder-212.1"

NOTE: This is a legacy GLSA. Updates for all affected architectures are available since November 21, 2009. It is likely that your system is already no longer affected by this issue.

4. References

Page updated January 22, 2012

Summary: This is a Gentoo Linux Security Advisory

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