TippingPoint Zero Day Initiative
 

Novell GroupWise Messenger Accept-Language Buffer Overflow Vulnerability

ZDI-06-008: April 13th, 2006

CVE ID

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 3994. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of the Novell GroupWise Messenger. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Novell Messaging Agent, a web server that listens by default on TCP port 8300. Insufficient length checks during the parsing of long parameters within the Accept-Language header results in an exploitable stack overflow under the context of the SYSTEM user.

Vendor Response

Novell has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2006-03-16 - Vulnerability reported to vendor
    2006-04-13 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    CIRT.DK