Man-in-the-middle attack in postgresql (Alpine package)

Published: 2017-06-01

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2017-7485
CWE-ID	CWE-300
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	postgresql (Alpine package) Operating systems & Components / Operating system package or component
Vendor	Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Man-in-the-middle attack

EUVDB-ID: #VU6893

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: CVE-2017-7485

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 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

Install update from vendor's website.

Vulnerable software versions

postgresql (Alpine package): 9.4.6-r0 - 9.4.11-r0

External links

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.