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 Walrus Authentication Bypass Vulnerability


 

Description

Walrus Authentication Bypass Vulnerability

Severity LevelCRITICAL
Issue Date2012-07-11
Last Updated2012-07-11
Affected ProductsEucalyptus 2.0.3, 3.0.1 and earlier
CVE NumberCVE-2012-3240

 

 

Overview

A security vulnerability has been identified in Eucalyptus 3.0.1 and earlier. An update is now available that resolves this issue. We advise immediately updating all affected Eucalyptus installations following the instructions below.

Description

Walrus is a storage service included with Eucalyptus. It allows users to store and access persistent data organized as buckets and objects. A flaw was found in the way Walrus performs authentication of users. An attacker could submit a specially-crafted REST request to the Walrus public interface that would allow the attacker to authenticate as an Eucalyptus admin user and potentially gain full access to objects stored on Walrus.

Solution

Eucalyptus versions 3.0.2 and 3.1.0 resolve this issue.

Please see https://www.eucalyptus.com/download/eucalyptus for instructions on downloading and upgrading to the latest Eucalyptus software.

Contact and help

Contact the Eucalyptus security team at security@eucalyptus.com.