TippingPoint Zero Day Initiative

IBM TSM FastBack Server FXCLI_OraBR_Exec_Command Remote Code Execution Vulnerabilities

ZDI-10-182: September 29th, 2010

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9488. 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 FastBack Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists within FastBackServer.exe which listens by default on TCP port 11460. The vulnerable function uses values directly from a received packet as the size and data to several memcpy calls. By providing crafted values this issue can lead to remote code execution under the context of the fastback server.

Vendor Response

IBM states:

Issue 2

Disclosure Timeline

    2010-02-02 - Vulnerability reported to vendor
    2010-09-29 - Coordinated public release of advisory


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