Vulnerability identifier: #VU6893
Vulnerability risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-300
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
PostgreSQL
Server applications /
Database software
Vendor: PostgreSQL Global Development Group
Description
The vulnerability allows a remote attacker to conduct a man-in-the-middle attack.
The weakness exists in the PGREQUIRESSL environment due to no enforcement of a SSL/TLS connection to a PostgreSQL server. A remote attacker can launch a man-in-the-middle attack to strip the SSL/TLS protection from a connection between a client and a server and modify the communicated data.
Successful exploitation of the vulnerability results in unauthorized access to sensitive information.
Mitigation
Update to versions 9.3.17, 9.4.12, 9.5.7, 9.6.3.
Vulnerable software versions
PostgreSQL: 9.6.0 - 9.6.2, 9.5.1 - 9.5.6, 9.4.0 - 9.4.11, 9.3.1 - 9.3.16
External links
http://www.postgresql.org/about/news/1746/
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.