SB2012100402 - Input validation error in PostgreSQL

Description

This security bulletin contains information about 1 security vulnerability.

1) Input validation error (CVE-ID: CVE-2012-3489)

The vulnerability allows a remote #AU# to gain access to sensitive information.

The xml_parse function in the libxml2 support in the core server component in PostgreSQL 8.3 before 8.3.20, 8.4 before 8.4.13, 9.0 before 9.0.9, and 9.1 before 9.1.5 allows remote authenticated users to determine the existence of arbitrary files or URLs, and possibly obtain file or URL content that triggers a parsing error, via an XML value that refers to (1) a DTD or (2) an entity, related to an XML External Entity (aka XXE) issue.

Remediation

Install update from vendor's website.

References

• http://lists.apple.com/archives/security-announce/2013/Mar/msg00002.html
• http://lists.opensuse.org/opensuse-updates/2012-09/msg00102.html
• http://lists.opensuse.org/opensuse-updates/2012-10/msg00013.html
• http://lists.opensuse.org/opensuse-updates/2012-10/msg00024.html
• http://rhn.redhat.com/errata/RHSA-2012-1263.html
• http://secunia.com/advisories/50635
• http://secunia.com/advisories/50718
• http://secunia.com/advisories/50859
• http://secunia.com/advisories/50946
• http://www.debian.org/security/2012/dsa-2534
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:139
• http://www.postgresql.org/about/news/1407/
• http://www.postgresql.org/docs/8.3/static/release-8-3-20.html
• http://www.postgresql.org/docs/8.4/static/release-8-4-13.html
• http://www.postgresql.org/docs/9.0/static/release-9-0-9.html
• http://www.postgresql.org/docs/9.1/static/release-9-1-5.html
• http://www.postgresql.org/support/security/
• http://www.securityfocus.com/bid/55074
• http://www.ubuntu.com/usn/USN-1542-1
• https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_postgresql2
• https://bugzilla.redhat.com/show_bug.cgi?id=849173