PostgreSQL SET SESSION AUTHORIZATION command denial of service

postgresql-setsessionauth-dos (24719) The risk level is classified as LowLow Risk

Description:

PostgreSQL is vulnerable to a denial of service attack. If the database is configured with 'Asserts' enabled, an authenticated attacker could issue a SET SESSION AUTHORIZATION command to cause the database server to become temporarily unresponsive.

*CVSS:

Base Score: 1.7
  Access Vector: Remote
  Access Complexity: High
  Authentication: Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 1.3
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of PostgreSQL (8.1.3 or later), (8.0.7 or later), (7.4.12 or later) or (7.3.14 or later), available from the PostgreSQL Web site. See references.

For Ubuntu Linux:
Refer to USN-258-1 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • BugTraq Mailing List, Wed Feb 15 2006 - 09:05:22 CST : PostgreSQL security releases 8.1.3, 8.0.7, 7.4.12, 7.3.14.
  • PostgreSQL Web site: Downloads.
  • BID-16650: PostgreSQL Set Session Authorization Denial of Service Vulnerability
  • CVE-2006-0678: PostgreSQL 7.3.x before 7.3.14, 7.4.x before 7.4.12, 8.0.x before 8.0.7, and 8.1.x before 8.1.3, when compiled with Asserts enabled, allows local users to cause a denial of service (server crash) via a crafted SET SESSION AUTHORIZATION command, a different vulnerability than CVE-2006-0553.
  • SA18890: PostgreSQL Privilege Escalation and Denial of Service
  • SECTRACK ID: 1015636: PostgreSQL SET ROLE Validation Error Lets Remote Authenticated Users Obtain Elevated Privileges
  • USN-258-1: PostgreSQL vulnerability
  • VUPEN/ADV-2006-0605: PostgreSQL Privilege Escalation and Denial of Service Vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 4.10
  • Canonical Ubuntu 5.04
  • Canonical Ubuntu 5.10
  • PostgreSQL PostgreSQL 7.3
  • PostgreSQL PostgreSQL 7.3.1
  • PostgreSQL PostgreSQL 7.3.10
  • PostgreSQL PostgreSQL 7.3.11
  • PostgreSQL PostgreSQL 7.3.12
  • PostgreSQL PostgreSQL 7.3.13
  • PostgreSQL PostgreSQL 7.3.2
  • PostgreSQL PostgreSQL 7.3.3
  • PostgreSQL PostgreSQL 7.3.4
  • PostgreSQL PostgreSQL 7.3.5
  • PostgreSQL PostgreSQL 7.3.6
  • PostgreSQL PostgreSQL 7.3.7
  • PostgreSQL PostgreSQL 7.3.8
  • PostgreSQL PostgreSQL 7.3.9
  • PostgreSQL PostgreSQL 7.4
  • PostgreSQL PostgreSQL 7.4.1
  • PostgreSQL PostgreSQL 7.4.10
  • PostgreSQL PostgreSQL 7.4.11
  • PostgreSQL PostgreSQL 7.4.2
  • PostgreSQL PostgreSQL 7.4.3
  • PostgreSQL PostgreSQL 7.4.4
  • PostgreSQL PostgreSQL 7.4.5
  • PostgreSQL PostgreSQL 7.4.6
  • PostgreSQL PostgreSQL 7.4.7
  • PostgreSQL PostgreSQL 7.4.8
  • PostgreSQL PostgreSQL 7.4.9
  • PostgreSQL PostgreSQL 8.0
  • PostgreSQL PostgreSQL 8.0.1
  • PostgreSQL PostgreSQL 8.0.2
  • PostgreSQL PostgreSQL 8.0.3
  • PostgreSQL PostgreSQL 8.0.4
  • PostgreSQL PostgreSQL 8.0.5
  • PostgreSQL PostgreSQL 8.0.6
  • PostgreSQL PostgreSQL 8.1
  • PostgreSQL PostgreSQL 8.1.1
  • PostgreSQL PostgreSQL 8.1.2

Reported:

Feb 15, 2006

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