PostgreSQL out-of-range backref numbers denial of service

postgresql-backref-dos (39499)

Low Risk

Description:

PostgreSQL is vulnerable to a denial of service, caused by an error when processing regular expressions. By invoking out-of-range backref numbers, a remote attacker could crash the application.

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
• MandrakeSoft, Mandrake Linux 2007 X86_64
• MandrakeSoft, Mandrake Linux 2007.1
• MandrakeSoft, Mandrake Linux 2007.1 X86_64
• MandrakeSoft, Mandrake Linux 2008.0
• MandrakeSoft, Mandrake Linux 2008.0 X86_64
• 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, 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
• RedHat, Application Stack v1 for EL AS 4
• RedHat, Application Stack v1 for EL ES 4
• RedHat, Enterprise Linux 4 AS
• RedHat, Enterprise Linux 4 Desktop
• RedHat, Enterprise Linux 4 ES
• RedHat, Enterprise Linux 4 WS
• RedHat, Enterprise Linux 5 Client
• RedHat, Enterprise Linux 5 Client Workstation
• RedHat, Enterprise Linux 5
• RedHat, RHEL Application Stack 2
• Sun, Solaris 10 SPARC
• Sun, Solaris 10 x86
• SuSE, SLE SDK 10
• SuSE, SuSE Linux Enterprise Server 9.0
• SuSE, SuSE SLES 9
• tcl_tk, tcl_tk 8.4.16

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.

Consequences:

Denial of Service

References:

• HPSBTU02325 SSRT080006 rev.1, HP Internet Express for Tru64 UNIX running PostgreSQL, Arbitrary Code Execution, Privilege Elevation, or Denial of Service (DoS) at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01420154.
• PostgreSQL Web site, 2008-01-07 Cumulative Security Update Release at http://www.postgresql.org/about/news.905.
• Sun Alert ID: 103197, Multiple Security Vulnerabilities in PostgreSQL Shipped with Solaris 10 May Allow Elevation of Privileges or Denial of Service (DoS) at http://sunsolve.sun.com/search/document.do?assetkey=1-26-103197-1.
• VIM Mailing List, Thu Jan 10 21:18:35 UTC 2008, affected version update for PostgreSQL issues at http://www.attrition.org/pipermail/vim/2008-January/001876.html.
• 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
• CVE-2007-4769: 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 (backend crash) via an out-of-bounds backref number.
• DSA-1460: postgresql-8.1 -- several vulnerabilities
• DSA-1463: postgresql-7.4 -- several vulnerabilities
• FrSIRT/ADV-2008-0061: PostgreSQL Privilege Escalation and Denial of Service Vulnerabilities
• FrSIRT/ADV-2008-0109: Sun Solaris PostgreSQL Privilege Escalation and Denial of Service Issues
• FrSIRT/ADV-2008-1071: HP Internet Express for Tru64 UNIX PostgreSQL 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
• 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

Reported:

Jan 06, 2008

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