Vulnerability identifier: #VU42931

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-2013-1902

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

PostgreSQL, 9.2.x before 9.2.4, 9.1.x before 9.1.9, 9.0.x before 9.0.13, 8.4.x before 8.4.17, and 8.3.x before 8.3.23 generates insecure temporary files with predictable filenames, which has unspecified impact and attack vectors related to "graphical installers for Linux and Mac OS X."

Mitigation
Install update from vendor's website.

Vulnerable software versions

PostgreSQL: 9.2 - 9.2.3, 9.1 - 9.1.8, 9.0 - 9.0.12, 8.4 - 8.4.16, 8.3 - 8.3.22

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External links
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.postgresql.org/about/news/1456/
http://www.postgresql.org/support/security/

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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.