PostgreSQL postmaster connection request denial of service

postgresql-connection-request-dos (24049) The risk level is classified as MediumMedium Risk

Description:

PostgreSQL is vulnerable to a denial of service attack. A remote attacker could send multiple simultaneous requests to cause the postmaster to exit, preventing any new database connections. The postmaster must be manually restarted to regain normal functionality.

*CVSS:

Base Score: 3.5
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 2.6
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of PostgreSQL (8.1.2 or 8.0.6 or later), available from the PostgreSQL Web site. See References.

References:

  • BugTraq Mailing List, Wed Jan 11 2006 - 08:24:30 CST: PostgreSQL security releases 8.0.6 and 8.1.2.
  • PostgreSQL Web site: PostgreSQL: News: minor Versions 8.1.2, 8.0.6 Released.
  • BID-16201: PostgreSQL Postmaster Denial Of Service Vulnerability
  • CVE-2006-0105: PostgreSQL 8.0.x before 8.0.6 and 8.1.x before 8.1.2, when running on Windows, allows remote attackers to cause a denial of service (postmaster exit and no new connections) via a large number of simultaneous connection requests.
  • OSVDB ID: 22349: PostgreSQL Connection Saturation Service Shutdown DoS
  • SA18419: PostgreSQL Multiple Connections Denial of Service Vulnerability
  • SECTRACK ID: 1015482: PostgreSQL Postmaster Service Error in Processing Multiple Connections Lets Remote Users Block Subsequent Connections

Platforms Affected:

  • 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 8.1.0
  • PostgreSQL PostgreSQL 8.1.1

Reported:

Jan 06, 2006

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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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