GLSA 200801-04: OpenAFS: Denial of Service

Severity:normal
Title:OpenAFS: Denial of Service
Date:01/09/2008
Bugs: #203573
ID:200801-04

Synopsis

A Denial of Service vulnerability has been discovered in OpenAFS.

Background

OpenAFS is a distributed network filesystem.

Affected packages

Package Vulnerable Unaffected Architecture(s)
net-fs/openafs < 1.4.6 >= 1.4.6 All supported architectures

Description

Russ Allbery, Jeffrey Altman, Dan Hyde and Thomas Mueller discovered a race condition due to an improper handling of the clients callbacks lists.

Impact

A remote attacker could construct cases which trigger the race condition, resulting in a server crash.

Workaround

There is no known workaround at this time.

Resolution

All OpenAFS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-fs/openafs-1.4.6"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200801-04.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!