TippingPoint Zero Day Initiative

IBM Tivoli Storage Manager FastBack Server Opcode 1335 Remote Code Execution Vulnerability

ZDI-15-273: June 30th, 2015


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 19906. 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 processing of opcode 1335. By sending a crafted packet on TCP port 11460, an attacker can use an arbitrary format string as an argument to a vsprintf function. An attacker can use this to execute arbitrary code under the context of SYSTEM.

Vendor Response

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

Disclosure Timeline

    2015-05-13 - Vulnerability reported to vendor
    2015-06-30 - Coordinated public release of advisory


This vulnerability was discovered by:
    Lola Montez