Vulnerability identifier: #VU53233
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due memory leak when processing
UPDATE ... RETURNING command on a purpose-crafted partitioned table. A remote authenticated user can run the affected command and read arbitrary bytes of server memory. In the default
configuration, any authenticated database user can create prerequisite objects
and complete this attack at will.
Install updates from vendor's website.
Vulnerable software versions
PostgreSQL: 11.0, 11.1, 11.2, 11.3, 11.4, 11.5, 11.6, 11.7, 11.8, 11.9, 11.10, 11.11, 12, 12.0, 12.1, 12.2, 12.3, 12.4, 12.5, 12.6, 13.0, 13.1, 13.2
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.