Vulnerability identifier: #VU30420

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-0241

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in a (1) large number of digits when processing a numeric formatting template, which triggers a buffer over-read, or (2) crafted timestamp formatting template, which triggers a buffer overflow. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update to version 9.4.1.

Vulnerable software versions

PostgreSQL: 9.4.0

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External links
http://www.debian.org/security/2015/dsa-3155
http://www.postgresql.org/about/news/1569/
http://www.postgresql.org/docs/9.4/static/release-9-4-1.html
http://www.postgresql.org/docs/current/static/release-9-0-19.html
http://www.postgresql.org/docs/current/static/release-9-1-15.html
http://www.postgresql.org/docs/current/static/release-9-2-10.html
http://www.postgresql.org/docs/current/static/release-9-3-6.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.