Vulnerability identifier: #VU32710

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:L/A:L/E:F/RL:O/RC:C]

CVE-ID: CVE-2013-1899

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

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).

Mitigation
Update to version 9.2.4.

Vulnerable software versions

PostgreSQL: 9.2.0 - 9.2.3

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External links
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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.