Vulnerability identifier: #VU34851

Vulnerability risk: High

CVSSv3.1: 8.1 [AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2015-0242

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Debian Linux
Operating systems & Components / Operating system

Vendor: Debian

Description

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

The vulnerability exists due to a boundary error when processing a floating point number with a large precision, as demonstrated by using the to_char function. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

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

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Debian Linux: 7.0 - 8.0

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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 authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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