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Openswan: User-assisted execution of arbitrary code

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 201401-09 / openswan
Release Date January 18, 2014
Latest Revision January 18, 2014: 1
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-misc/openswan < 2.6.39 >= 2.6.39 All supported architectures

Related bugreports: #483204

Synopsis

A vulnerability in Openswan could result in execution of arbitrary code or Denial of Service.

2.  Impact Information

Background

Openswan is an implementation of IPsec for Linux.

Description

A buffer overflow flaw has been discovered in Openswan when using Opportunistic Encryption.

Impact

A remote attacker could send a specially crafted DNS TXT record, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Openswan users should upgrade to the latest version:

Code Listing 3.1: Resolution

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-misc/openswan-2.6.39"

4.  References



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Page updated January 18, 2014

Summary: This is a Gentoo Linux Security Advisory

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