Vulnerability identifier: #VU82942

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5869

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

Description

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

The vulnerability exists due to integer overflow in array modification. A remote user can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PostgreSQL: 16.0, 15.0 - 15.4, 14.0, 13.0 - 13.12, 12 - 12.16, 11.0 - 11.21

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External links
http://www.postgresql.org/about/news/postgresql-161-155-1410-1313-1217-and-1122-released-2749/

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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.