Man-in-the-middle attack in BIG-IP AFM - CVE-2017-6142

 

Man-in-the-middle attack in BIG-IP AFM - CVE-2017-6142

Published: January 22, 2018


Vulnerability identifier: #VU10146
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6142
CWE-ID: CWE-300
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP AFM

Detailed vulnerability description

The vulnerability allows a remote attacker to conduct man-in-the-middle attack.

The weakness exists due to the early access 'user id' feature does not properly validate the remote server's X.509 certificatel. A remote attacker can use man-in-the-middle technique and access and modify IP Intelligence (IPI) policy enforcement data communicated between the remote server and the target Advanced Firewall Manager.

How to mitigate CVE-2017-6142

Install update from vendor's website.

Sources