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Insecure XML Parsing Vulnerability in Walrus


 

Description

Insecure XML Parsing Vulnerability in Walrus

Severity LevelIMPORTANT
Issue Date2013-04-16
Last Updated2013-04-16
Affected ProductsHP Helion Eucalyptus 3.2.1 and earlier
CVE NumberCVE-2012-4067

 

 

Overview

A security vulnerability has been identified with the way Walrus parses XML in some requests in HP Helion Eucalyptus 3.2.1 and earlier. An update is now available that resolves this issue. We advise immediately updating all affected HP Helion Eucalyptus installations following the instructions below.

Description

Walrus is a storage service included with HP Helion Eucalyptus. Walrus was not securely parsing XML messages containing Document Type Declarations (DTDs). This flaw could be exploited by a remote unauthenticated attacker to perform Denial of Service attacks against Walrus.

Solution

HP Helion Eucalyptus version 3.2.2 resolves this issue.

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

Contact and help

Contact the HP Helion Eucalyptus security team at euca-security@hp.com.