PostgreSQL complex regular expressions denial of service

postgresql-complex-expression-dos (39498) The risk level is classified as MediumMedium Risk

Description:

PostgreSQL is vulnerable to a denial of service, caused by an error when processing complex regular expressions. A remote attacker could exploit this vulnerability to cause the consumption of all available memory resources.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to the PostgreSQL Web site 2008-01-07 Cumulative Security Update Release for patch, upgrade, or suggested workaround information. See References.

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

References:

  • HPSBTU02325 SSRT080006 rev.1: HP Internet Express for Tru64 UNIX running PostgreSQL, Arbitrary Code Execution, Privilege Elevation, or Denial of Service (DoS).
  • PostgreSQL Web site: 2008-01-07 Cumulative Security Update Release.
  • PostgreSQL Web Site: Security Information.
  • Sun Alert ID: 103197: Multiple Security Vulnerabilities in PostgreSQL Shipped with Solaris 10 May Allow Elevation of Privileges or Denial of Service (DoS).
  • VIM Mailing List, Thu Jan 10 21:18:35 UTC 2008: affected version update for PostgreSQL issues.
  • ASA-2008-033: PostgreSQL security update (RHSA-2008-0038)
  • ASA-2008-046: Multiple Security Vulnerabilities in PostgreSQL Shipped with Solaris 10 May Allow Elevation of Privileges or Denial of Service (DoS) (Sun 103197)
  • ASA-2008-052: postgresql security update (RHSA-2008-0040)
  • ASA-2008-074: Multiple Security Vulnerabilities in PostgreSQL Shipped with Solaris 10 May Allow Elevation of Privileges or Denial of Service (DoS) (Sun 200559)
  • BID-27163: PostgreSQL Multiple Privilege Escalation and Denial of Service Vulnerabilities
  • BID-37333: PostgreSQL Index Function Session State Modification Local Privilege Escalation Vulnerability
  • BID-37334: PostgreSQL NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
  • CVE-2007-6067: Algorithmic complexity vulnerability in the regular expression parser in TCL before 8.4.17, as used in PostgreSQL 8.2 before 8.2.6, 8.1 before 8.1.11, 8.0 before 8.0.15, and 7.4 before 7.4.19, allows remote authenticated users to cause a denial of service (memory consumption) via a crafted complex regular expression with doubly-nested states.
  • DSA-1460: postgresql-8.1 -- several vulnerabilities
  • DSA-1463: postgresql-7.4 -- several vulnerabilities
  • GLSA-200801-15: PostgreSQL: Multiple vulnerabilities
  • MDVSA-2008:004: Updated postgresql packages fix denial of service and privilege escalation issues
  • RHSA-2008-0038: Moderate: postgresql security update
  • RHSA-2008-0040: Moderate: postgresql security update
  • SA28359: PostgreSQL Multiple Vulnerabilities
  • SA28437: Sun Solaris 10 PostgreSQL Multiple Vulnerabilities
  • SA29638: HP Internet Express for Tru64 UNIX Multiple PostgreSQL Vulnerabilities
  • SA37663: PostgreSQL SSL Certificate Processing and Privilege Escalation Vulnerabilities
  • SECTRACK ID: 1019157: PostgreSQL Bugs Let Remote Authenticated Users Deny Service and Obtain Elevated Privileges
  • SUSE-SA:2008:005: PostgreSQL security problems
  • USN-568-1: PostgreSQL vulnerabilities
  • VUPEN/ADV-2008-0061: PostgreSQL Privilege Escalation and Denial of Service Vulnerabilities
  • VUPEN/ADV-2008-0109: Sun Solaris PostgreSQL Privilege Escalation and Denial of Service Issues
  • VUPEN/ADV-2008-1071: HP Internet Express for Tru64 UNIX PostgreSQL Vulnerabilities
  • VUPEN/ADV-2009-3519: PostgreSQL Security Bypass and Privilege Escalation Vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 6.10
  • Canonical Ubuntu 7.04
  • Canonical Ubuntu 7.10
  • Debian Debian Linux 3.1
  • Debian Debian Linux 4.0
  • Gentoo Linux
  • HP Internet Express 6.6
  • HP Internet Express 6.7
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux 2007.1 X86_64
  • MandrakeSoft Mandrake Linux 2007.1
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • Novell Linux Desktop 9
  • Novell Linux POS 9
  • Novell Open Enterprise Server
  • Novell Open Enterprise Server
  • Novell OpenSUSE 10.2
  • Novell OpenSUSE 10.3
  • Novell SLE SDK 10 SP1
  • Novell SLE SDK 10
  • Novell SUSE Linux Enterprise Desktop 10 SP1
  • Novell SUSE Linux Enterprise Server 10 SP1
  • Novell SUSE Linux Enterprise Server 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 7.3.14
  • PostgreSQL PostgreSQL 7.3.15
  • PostgreSQL PostgreSQL 7.3.16
  • PostgreSQL PostgreSQL 7.3.19
  • PostgreSQL PostgreSQL 7.3.2
  • PostgreSQL PostgreSQL 7.3.3
  • PostgreSQL PostgreSQL 7.3.4
  • PostgreSQL PostgreSQL 7.3.6
  • 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 7.4.12
  • PostgreSQL PostgreSQL 7.4.13
  • PostgreSQL PostgreSQL 7.4.14
  • PostgreSQL PostgreSQL 7.4.16
  • PostgreSQL PostgreSQL 7.4.17
  • 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 8.0.11
  • PostgreSQL PostgreSQL 8.0.13
  • PostgreSQL PostgreSQL 8.0.2
  • PostgreSQL PostgreSQL 8.0.3
  • PostgreSQL PostgreSQL 8.0.317
  • PostgreSQL PostgreSQL 8.0.4
  • PostgreSQL PostgreSQL 8.0.5
  • PostgreSQL PostgreSQL 8.0.7
  • PostgreSQL PostgreSQL 8.0.8
  • PostgreSQL PostgreSQL 8.0.9
  • PostgreSQL PostgreSQL 8.1.1
  • PostgreSQL PostgreSQL 8.1.3
  • PostgreSQL PostgreSQL 8.1.4
  • PostgreSQL PostgreSQL 8.1.5
  • PostgreSQL PostgreSQL 8.1.7
  • PostgreSQL PostgreSQL 8.1.8
  • PostgreSQL PostgreSQL 8.1.9
  • PostgreSQL PostgreSQL 8.2
  • PostgreSQL PostgreSQL 8.2.2
  • PostgreSQL PostgreSQL 8.2.3
  • PostgreSQL PostgreSQL 8.2.4
  • PostgreSQL PostgreSQL 8.3
  • PostgreSQL PostgreSQL 8.4
  • RedHat Application Stack v1 for EL AS 4
  • RedHat Application Stack v1 for EL ES 4
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat RHEL Application Stack 2
  • Sun Solaris 10 SPARC
  • Sun Solaris 10 x86
  • SuSE Linux Enterprise Server 9
  • SuSE SuSE SLES 9
  • tcl_tk tcl_tk 8.4.16

Reported:

Jan 06, 2008

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