TippingPoint Zero Day Initiative
 

Novell File Reporter Agent XML Parsing Remote Code Execution Vulnerability

ZDI-11-116: April 4th, 2011

CVE ID

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10783. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Novell File Reporter Agent. Authentication is not required to exploit this vulnerability.

The flaw exists within the NFRAgent.exe component which listens by default on TCP port 3037. When handling the contents of an XML tag the process blindly copies user supplied data into a fixed-length buffer on the stack. A remote attacker can exploit this vulnerability to execute arbitrary code 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

    2010-10-06 - Vulnerability reported to vendor
    2011-04-04 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Stephen Fewer of Harmony Security (www.harmonysecurity.com)