Advisory Details

September 29th, 2010

IBM TSM FastBack Mount Service Arbitrary Overwrite Remote Code Execution Vulnerability

ZDI-10-179
ZDI-CAN-656

CVE ID
CVSS SCORE 10, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS IBM
AFFECTED PRODUCTS Tivoli Storage Manager
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9966. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
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.

ADDITIONAL DETAILS

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 Sebastian Apelt (www.siberas.de)
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