IBM Tivoli Storage Manager CAD Service Buffer Overflow

                                                ====================================================================== 

                     Secunia Research 04/11/2009

      - IBM Tivoli Storage Manager CAD Service Buffer Overflow -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* IBM Tivoli Storage Manager Express Client 5.3.6.2

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Moderately critical
Impact: System access
Where:  Local network

====================================================================== 
3) Vendor's Description of Software 

"Designed to provide centralized, automated data protection that can
help reduce the risks associated with data loss".

Product Link:
http://www-01.ibm.com/software/tivoli/products/storage-mgr/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in IBM Tivoli Storage
Manager Client, which can be exploited by malicious people to
compromise a vulnerable system.

The vulnerability is caused by an input validation error in the CAD 
service. This can be exploited to cause a stack-based buffer overflow
by sending a specially crafted packet via TCP.

Successful exploitation allows execution of arbitrary code.

====================================================================== 
5) Solution 

Update to a fixed version.

====================================================================== 
6) Time Table 

07/11/2008 - Vendor notified.
14/11/2008 - Vendor notified (2nd attempt).
15/11/2008 - Vendor response.
04/11/2009 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Dyon Balding, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2008-4826 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-51/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/