IBM DB2 SQL security bypass

ibm-db2-sql-security-bypass (61873) The risk level is classified as MediumMedium Risk

Description:

IBM DB2 could allow a remote attacker to bypass security restrictions, caused by an error when compiling a compound SQL statement with an update statement. An attacker could exploit this vulnerability to bypass security restrictions to execute the cached statement.

*CVSS:

Base Score: 5
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 3.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Apply IBM APAR IC70406, available from IBM Support and Downloads. See References.

References:

  • IBM APAR IC70406: SECURITY: UPDATE AGAINST A TABLE VIA A COMPOUND SQL (COMPILED) STATEMENT MAY BE EXECUTED BY USER WTHOUT REQUIRED PRIVILEGES.
  • BID-43291: IBM DB2 prior to 9.7 Fix Pack 3 Multiple Security Vulnerabilities
  • CVE-2010-3475: IBM DB2 9.7 before FP3 does not properly enforce privilege requirements for execution of entries in the dynamic SQL cache, which allows remote authenticated users to bypass intended access restrictions by leveraging the cache to execute an UPDATE statement contained in a compiled compound SQL statement.
  • OSVDB ID: 68122: IBM DB2 Dynamic SQL Cache Entry Execution Privilege Enforcement Weakness Access Restriction Bypass
  • SA41444: IBM DB2 Two Security Issues
  • SECTRACK ID: 1024458: IBM DB2 May Let Remote Authenticated Users Update Tables Without Privileges in Certain Cases

Platforms Affected:

  • IBM DB2 Universal Database 9.7

Reported:

Sep 15, 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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