IBM Tivoli Storage Manager (TSM) Backup-Archive client buffer overflow

ibm-tsm-backuparchiveclient-bo (46208) The risk level is classified as HighHigh Risk

Description:

The IBM Tivoli Storage Manager (TSM) Backup-Archive client is vulnerable to a heap-based buffer overflow, caused by improper bounds checking when the Client Acceptor Daemon (CAD) is enabled or the Backup-Archive client scheduler and scheduler service has the option SCHEDMODE set to PROMPTED. By sending a specially-crafted packet to the Data Protection for SQL CAD service, a remote attacker could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system with SYSTEM privileges or cause the application to crash.

*CVSS:

Base Score: 9.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: Complete
  Integrity Impact: Complete
  Availability Impact: Complete
 
Temporal Score: 6.9
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to IBM APAR IC56773 for patch, upgrade or suggested workaround information. See References.

References:

  • IBM APAR IC56773: TSM CLIENT BUFFER OVERRUN.
  • IBM Support & downloads: TSM client buffer overrun security vulnerability.
  • IBM Tivoli Storage Manager Web site: Tivoli Storage Manager.
  • ZDI-08-071: IBM Tivoli Storage Manager Express for Microsoft SQL Heap Overflow Vulnerability.
  • BID-31988: IBM Tivoli Storage Manager Client Remote Heap Buffer Overflow Vulnerability
  • CVE-2008-4801: Heap-based buffer overflow in the Data Protection for SQL CAD service (aka dsmcat.exe) in the Client Acceptor Daemon (CAD) and the scheduler in the Backup-Archive client 5.1.0.0 through 5.1.8.1, 5.2.0.0 through 5.2.5.2, 5.3.0.0 through 5.3.6.1, 5.4.0.0 through 5.4.2.2, and 5.5.0.0 through 5.5.0.91 in IBM Tivoli Storage Manager (TSM); and the Backup-Archive client in TSM Express; allows remote attackers to execute arbitrary code by sending a large amount of crafted data to a TCP port.
  • OSVDB ID: 49442: IBM Tivoli Storage Manager (TSM) Express for Microsoft SQL SQL CAD Data Protection (dsmcat.exe) Remote Overflow
  • SA32465: IBM Tivoli Storage Manager Client Buffer Overflow Vulnerability
  • SECTRACK ID: 1021122: IBM Tivoli Storage Manager Buffer Overflows Let Remote Users Execute Arbitrary Code

Platforms Affected:

  • IBM Tivoli Storage Manager Client 5.1
  • IBM Tivoli Storage Manager Client 5.2
  • IBM Tivoli Storage Manager Client 5.3
  • IBM Tivoli Storage Manager Client 5.4
  • IBM Tivoli Storage Manager Client 5.5
  • IBM Tivoli Storage Manager Express

Reported:

Oct 29, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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