GLSA 201405-18: OpenConnect: User-assisted execution of arbitrary code

Severity:normal
Title:OpenConnect: User-assisted execution of arbitrary code
Date:05/18/2014
Bugs: #457068
ID:201405-18

Synopsis

A buffer overflow in OpenConnect could result in execution of arbitrary code or Denial of Service.

Background

OpenConnect is a free client for Cisco AnyConnect SSL VPN software.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-misc/openconnect < 4.08 >= 4.08 All supported architectures

Description

A stack-based buffer overflow error has been discovered in OpenConnect.

Impact

A remote attacker could entice a user to connect to a malicious VPN server, possibly resulting in execution of arbitrary code with the privileges of the process, or a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All OpenConnect users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/openconnect-4.08"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201405-18.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 2010 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.

Thank you!