11 March 2009
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AUSCERT External Security Bulletin Redistribution
ESB-2009.0224 -- [Win][Linux][HP-UX][Solaris][AIX]
IBM Tivoli Storage Manager Express Heap Buffer Overflow Vulnerability
11 March 2009
AusCERT Security Bulletin Summary
Product: IBM Tivoli Storage Manager Express
Operating System: Linux variants
Impact: Execute Arbitrary Code/Commands
CVE Names: CVE-2008-4563
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iDefense Security Advisory 03.10.08
Mar 10, 2008
IBM Corp.'s Tivoli Storage Manager Express is a simple backup management
software targeting small business customer. For more information, please
visit vendor's website at the following URL.
Remote exploitation of a heap buffer overflow vulnerability in IBM
Corp.'s Tivoli Storage Manager Express backup server could allow an
unauthenticated attacker to execute arbitrary code with SYSTEM
The vulnerability exists within adsmdll.dll which is loaded by the
Tivoli Storage Manager Express daemon dsmsvc.exe. The vulnerable
function allocates a fixed-size heap buffer, and uses part of this
buffer for storing session related data. A user-supplied value is then
used as the length of bytes to copy into this buffer. Due to a lack of
bounds checking, a buffer overflow can occur.
Exploitation allows an attacker to execute arbitrary code with SYSTEM
privileges. No authentication is required to exploit this
iDefense has confirmed this vulnerability in adsmdll.dll version
126.96.36.19996, as included in Tivoli Storage Manager Express 188.8.131.52 with
all available patches as of July 2008. All previous versions are
iDefense is currently unaware of any effective workarounds for this
issue. The vulnerability is within a core component of Tivoli Storage
Management Express which cannot be disabled without major functionality
VI. VENDOR RESPONSE
IBM Corp,'s Tivoli team has released patches and workarounds to address
this vulnerability. For more information, consult their advisory at the
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-4563 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
VIII. DISCLOSURE TIMELINE
03/10/2008 - Coordinated public disclosure
03/10/2008 - Status update received
03/10/2008 - Status updated requested
07/22/2008 - Initial Contact
07/31/2008 - Initial Response
07/31/2008 - PoC Requested
07/31/2008 - PoC Sent
09/02/2008 - Status update received - no estimated release date
09/12/2008 - Status update received - no estimated release date
09/23/2008 - Status update received - estimated release date February 2009
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2009 iDefense, Inc.
Permission is granted for the redistribution of this alert
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Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.
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