CVE-2005-2991 Path traversal in n/a

Low 2.1 Published 20 Sep 2005 Updated 7 Aug 2024

Local attackers can overwrite arbitrary files via symlink attacks on temporary files in ncompress utilities.

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-2005-2991?

CVE-2005-2991 is a low-severity path traversal vulnerability in n/a, published on 20 Sep 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

Which versions are affected by CVE-2005-2991?

It affects 1 product.

Products include Ncompress Ncompress.

How do I fix CVE-2005-2991?

No fix has been published for CVE-2005-2991 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2005-2991 being exploited?

There is no known exploitation of CVE-2005-2991 in the wild and no public exploit code.

Sources

Also known as GHSA-fh95-qp78-39wf.