Man-in-the-middle attack in PostgreSQL Java Database Connectivity

1) Man-in-the-middle attack

EUVDB-ID: #VU14591

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10936

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

The vulnerability allows a remote attacker to conduct man-in-the-middle attacks on the target system.

The vulnerability exists in the PostgreSQL Java Database Connectivity (JDBC) driver due to insufficient validation of hostnames by the affected software. A remote unauthenticated attacker can masquerade as a trusted server on the network, conduct a man-in-the-middle attack and conduct further attacks.

Mitigation

Update to version 42.2.5.

Vulnerable software versions

PostgreSQL Java Database Connectivity: 42.0.0 - 42.2.4

External links

http://www.postgresql.org/about/news/1883/

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.