IBM DB2 SYSIBM buffer overflow

db2-sysibm-bo (55899) The risk level is classified as HighHigh Risk

Description:

IBM DB2 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. By sending a specially-crafted SELECT REPEAT query to a SYSIBM table, a remote attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the database server to crash.

*CVSS:

Base Score: 7.5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.9
  Exploitability: Proof-of-Concept
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Refer to IBM APAR IC65922 for patch, upgrade or suggested workaround information. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

  • IBM APAR IC65922: SECURITY: BUFFER OVERRUN IN REPEAT UDF (CVE-2010-0462).
  • IBM Web site: IBM DB2 Software.
  • Intevydis blog: IBM DB2 9.7 heap overflow .
  • BID-37976: IBM DB2 'REPEAT()' Heap Buffer Overflow Vulnerability
  • CVE-2010-0462: Heap-based buffer overflow in IBM DB2 9.1 before FP9, 9.5 before FP6, and 9.7 before FP2 allows remote authenticated users to have an unspecified impact via a SELECT statement that has a long column name generated with the REPEAT function.
  • OSVDB ID: 62063: IBM DB2 on Linux SELECT Statement REPEAT Function Remote Overflow
  • OSVDB ID: 64041: IBM DB2 REPEAT Function Overflow
  • SA38294: IBM DB2 Two Vulnerabilities
  • SA40726: IBM Tivoli Storage Manager Multiple Vulnerabilities
  • SECTRACK ID: 1023509: IBM DB2 Heap Overflow in Processing SELECT Statements Lets Remote Authenticated Users Execute Arbitrary Code

Platforms Affected:

  • IBM DB2 9.7
  • IBM Tivoli Storage Manager 6.0

Reported:

Jan 27, 2010

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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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