TippingPoint Zero Day Initiative
 

IBM TSM FastBack Mount Service Arbitrary Overwrite Remote Code Execution Vulnerability

ZDI-10-179: September 29th, 2010

CVSS Score

Affected Vendors

Affected Products

    Tivoli Storage Manager

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9966. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of IBM Tivoli Storage Manager Fastback. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the Mount service (FastBackMount.exe). This process listens by default on UDP port 30005. This process writes the value 0x01 to the address specified by the second DWORD from a packet received to it's UDP port. An attacker can exploit this behavior to execute arbitrary code by making several requests to this service.

Vendor Response

IBM states:

http://www-01.ibm.com/support/docview.wss?uid=swg21443820
Issue 1


Disclosure Timeline

    2010-01-06 - Vulnerability reported to vendor
    2010-09-29 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Sebastian Apelt (www.siberas.de)