CVE-2017-6142 Security feature bypass in BIG-IP AFM

Medium 4.8 Published Updated

Attackers can bypass X509 certificate verification in the user ID feature, allowing them to impersonate remote servers on affected F5 BIG-IP AFM devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-6142?

CVE-2017-6142 is a medium-severity vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 19 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

X509 certificate verification was not correctly implemented in the early access "user id" feature in the F5 BIG-IP Advanced Firewall Manager versions 13.0.0, 12.1.0-12.1.2, and 11.6.0-11.6.2, and thus did not properly validate the remote server's identity on certain versions of BIG-IP.

Weakness: CWE-295

Which versions are affected by CVE-2017-6142?

It affects 1 product.

Products include F5 Big-Ip Advanced Firewall Manager.

How do I fix CVE-2017-6142?

No fix has been published for CVE-2017-6142 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-6142 being exploited?

There is no known exploitation of CVE-2017-6142 in the wild and no public exploit code.

All F5 Big-Ip Advanced Firewall Manager vulnerabilities

Sources

Also known as GHSA-9hw6-rw67-875g.

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