CVE-2019-6632 Weak cryptography in BIG-IP

Medium 5.5 Published Updated

Attackers with access to encrypted configuration files can decrypt sensitive data due to insufficient randomness in the vCMP configuration unit key generation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-6632?

CVE-2019-6632 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 3 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

On BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, and 12.1.0-12.1.4, under certain circumstances, attackers can decrypt configuration items that are encrypted because the vCMP configuration unit key is generated with insufficient randomness. The attack prerequisite is direct access to encrypted configuration and/or UCS files.

Weakness: CWE-330

Which versions are affected by CVE-2019-6632?

It affects 13 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 7 more.

How do I fix CVE-2019-6632?

No fix has been published for CVE-2019-6632 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-6632 being exploited?

There is no known exploitation of CVE-2019-6632 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-2p6c-33px-9jhq.

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