Secunia Research: IBM Tivoli Storage Manager Remote Agent Service Buffer Overflows

[Secunia Research <remove-vuln@xxxxxxxxxxx>]

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                     Secunia Research 04/05/2009

 - IBM Tivoli Storage Manager Remote Agent Service Buffer Overflows -

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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

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1) Affected Software 

* IBM Tivoli Storage Manager Express Client 5.3.6.2

NOTE: Other versions may also be affected.

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2) Severity 

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

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3) Vendor's Description of Software 

"IBM Tivoli Storage Manager family of offerings are designed to
provide centralized, automated data protection".

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

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4) Description of Vulnerability

Secunia Research has discovered two vulnerabilities in IBM Tivoli
Storage Manager Agent Client (dsmagent.exe), which can be exploited by
malicious people to compromise a vulnerable system.

1) A boundary error in a generic string handling function when parsing
strings from request packets can be exploited to cause stack-based 
buffer overflow.

2) A boundary error when copying the NodeName from a request packet in
dicuGetIdentifyRequest can be exploited to cause a stack-based buffer
overflow.

Successful exploitation allows execution of arbitrary code.

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5) Solution 

Apply patches.

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6) Time Table 

13/11/2008 - Vendor notified.
18/11/2008 - Vendor response.
20/11/2008 - Vendor asks for additional information.
20/11/2008 - Clarification of the two problems provided to the vendor.
26/11/2008 - Vendor provides status update.
02/02/2009 - Vendor provides status update.
24/02/2009 - Vendor provides status update.
31/03/2009 - Status update requested.
31/03/2009 - Vendor provides status update.
04/05/2009 - Public disclosure.

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7) Credits 

Discovered by Dyon Balding, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2008-4828 for the vulnerabilities.

IBM (IC59513, IC59994, IC59779, IC59781):
http://www-01.ibm.com/support/docview.wss?uid=swg21384389

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9) About Secunia

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2008-55/

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

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