CVE-2008-5162 Weak cryptography in n/a

High 7.0 Published 26 Nov 2008 Updated 7 Aug 2024

Insufficient entropy in FreeBSD kernel arc4random allows attackers to predict random values, facilitating attacks on GEOM and network protocols.

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-2008-5162?

CVE-2008-5162 is a high-severity vulnerability in Freebsd Freebsd, published on 26 Nov 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The arc4random function in the kernel in FreeBSD 6.3 through 7.1 does not have a proper entropy source for a short time period immediately after boot, which makes it easier for attackers to predict the function's return values and conduct certain attacks against the GEOM framework and various network protocols, related to the Yarrow random number generator.

Weakness: CWE-330

Which versions are affected by CVE-2008-5162?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2008-5162?

No fix has been published for CVE-2008-5162 yet. Limit exposure of the affected software until one is available.

Is CVE-2008-5162 being exploited?

There is no known exploitation of CVE-2008-5162 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-9jr8-q773-x8pc.