[NT] IBM Tivoli Storage Manager Express Backup Server Heap Overflow Vulnerability



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IBM Tivoli Storage Manager Express Backup Server Heap Overflow
Vulnerability
------------------------------------------------------------------------


SUMMARY

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

DETAILS

Vulnerable Systems:
* Tivoli Storage Manager Express version 5.3

Immune Systems:
* Tivoli Storage Manager Express version 5.3.7.3

The specific flaw resides in the TSM Express Backup Server service,
dsmsvc.exe, which listens by default on TCP port 1500. The process trusts
a user-supplied length value. By supplying a large number, an attacker can
overflow a static heap buffer leading to arbitrary code execution in the
context of the SYSTEM user.

Vendor Response:
<http://www-1.ibm.com/support/docview.wss?uid=swg21291536>
http://www-1.ibm.com/support/docview.wss?uid=swg21291536

Disclosure Timeline:
2007.12.05 - Vulnerability reported to vendor
2008.01.14 - Coordinated public release of advisory

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0247>
CVE-2008-0247


ADDITIONAL INFORMATION

The information has been provided by <mailto:zdi-disclosures@xxxxxxxx>
The Zero Day Initiative (ZDI).
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-08-001.html>
http://www.zerodayinitiative.com/advisories/ZDI-08-001.html



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