Improper initialization in PostgreSQL JDBC driver

1) Improper initialization

EUVDB-ID: #VU62714

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21724

CWE-ID: CWE-665 - Improper Initialization

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to improper initialization in pgjdbc driver when handling attacker-controlled URL in connection properties as the driver does not verify if the class implements the expected interface before instantiating the class. A remote attacker can pass specially crafted URL to the affected application and execute arbitrary code in the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Postgresql JDBC Driver: 9.4.1207 - 42.3.1

External links

http://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-v7wg-cpwc-24m4
http://github.com/pgjdbc/pgjdbc/commit/f4d0ed69c0b3aae8531d83d6af4c57f22312c813
http://security.netapp.com/advisory/ntap-20220311-0005/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BVEO7BEFXPBVHSPYL3YKQWZI6DYXQLFS/

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.