Input validation error in PostgreSQL - CVE-2013-1899

Detailed vulnerability description

The vulnerability allows remote attackers to cause a denial of service (file corruption), and allows remote authenticated users to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can modify configuration settings and execute arbitrary code, via a connection request using a database name that begins with a "-" (hyphen).

How to mitigate CVE-2013-1899

Sources

• http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
• http://lists.apple.com/archives/security-announce/2013/Sep/msg00004.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/101519.html
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102806.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00007.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00008.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00011.html
• http://lists.opensuse.org/opensuse-security-announce/2013-04/msg00012.html
• http://support.apple.com/kb/HT5880
• http://support.apple.com/kb/HT5892
• http://www.debian.org/security/2013/dsa-2658
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:142
• http://www.postgresql.org/about/news/1456/
• http://www.postgresql.org/docs/current/static/release-9-0-13.html
• http://www.postgresql.org/docs/current/static/release-9-1-9.html
• http://www.postgresql.org/docs/current/static/release-9-2-4.html
• http://www.postgresql.org/support/security/faq/2013-04-04/
• http://www.ubuntu.com/usn/USN-1789-1