CVE-2013-5666 Information disclosure in n/a

Medium 4.7 Published 23 Sep 2013 Updated 16 Sep 2024

Local attackers can read sensitive kernel memory by exploiting improper padding in the FreeBSD sendfile system call.

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-2013-5666?

CVE-2013-5666 is a medium-severity vulnerability in Freebsd Freebsd, published on 23 Sep 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.

Weakness: CWE-200

Which versions are affected by CVE-2013-5666?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2013-5666?

No fix has been published for CVE-2013-5666 yet. Limit exposure of the affected software until one is available.

Is CVE-2013-5666 being exploited?

There is no known exploitation of CVE-2013-5666 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-v8wr-59hv-fh6h.