RHSA-2013:1197 - Security Advisory

Topic

Updated openstack-swift packages that fix one security issue are now
available for Red Hat OpenStack 3.0.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

Description

OpenStack Swift (http://swift.openstack.org) is a highly available,
distributed, eventually consistent object/blob store.

A denial of service flaw in OpenStack Swift allowed attackers to fill the
object server with object tombstones. This could lead to subsequent
requests from legitimate users taking an excessive amount of time.
(CVE-2013-4155)

This issue was discovered by Peter Portante of Red Hat.

All users of openstack-swift are advised to upgrade to these updated
packages, which correct this issue. After installing this update, the
OpenStack Swift services will be restarted automatically.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

Affected Products

• Red Hat OpenStack grizzly x86_64

Fixes

• BZ - 991626 - CVE-2013-4155 OpenStack: Swift Denial of Service using superfluous object tombstones

CVEs

• CVE-2013-4155

References

• https://access.redhat.com/security/updates/classification/#moderate