GLSA 201701-07: Open vSwitch: Remote execution of arbitrary code

Severity:normal
Title:Open vSwitch: Remote execution of arbitrary code
Date:01/01/2017
Bugs: #577568
ID:201701-07

Synopsis

A buffer overflow in Open vSwitch might allow remote attackers to execute arbitrary code.

Background

Open vSwitch is a production quality multilayer virtual switch.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-misc/openvswitch < 2.5.0 >= 2.5.0 All supported architectures

Description

A buffer overflow was discovered in lib/flow.c in ovs-vswitchd.

Impact

A remote attacker, using a specially crafted MPLS packet, could execute arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All Open vSwitch users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/openvswitch-2.5.0"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-07.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!