CVE-2017-6143 Security feature bypass in BIG-IP (AFM, ASM)
Attackers can bypass X509 certificate verification in IP Intelligence features, allowing man-in-the-middle attacks against F5 BIG-IP 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-2017-6143?
CVE-2017-6143 is a medium-severity vulnerability in F5 Big-Ip Advanced Firewall Manager, published on 13 Apr 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 IP Intelligence Subscription and IP Intelligence feed-list features, and thus the remote server's identity is not properly validated in F5 BIG-IP 12.0.0-12.1.2, 11.6.0-11.6.2, or 11.5.0-11.5.5.
Weakness: CWE-295
Which versions are affected by CVE-2017-6143?
It affects 2 products.
Products include F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Application Security Manager.
How do I fix CVE-2017-6143?
No fix has been published for CVE-2017-6143 yet. Limit exposure of the affected software until one is available.
Is CVE-2017-6143 being exploited?
There is no known exploitation of CVE-2017-6143 in the wild and no public exploit code.
Other vulnerabilities in F5 Big-Ip Advanced Firewall Manager
Sources
Also known as GHSA-p7pq-m3xx-w733.