CVE-2008-4993 Path traversal in n/a

Medium 6.9 Published 7 Nov 2008 Updated 7 Aug 2024

Local attackers can overwrite arbitrary files via a symlink attack on a temporary file in Xen, potentially compromising system integrity.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2008-4993?

CVE-2008-4993 is a medium-severity path traversal vulnerability in Xen Xen, published on 7 Nov 2008. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

qemu-dm.debug in Xen 3.2.1 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/args temporary file.

Weakness: CWE-59

Which versions are affected by CVE-2008-4993?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2008-4993?

Apply the vendor's patch.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2008-4993 being exploited?

There is no known exploitation of CVE-2008-4993 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as GHSA-g8xp-fgj9-qvj4.