CVE-2005-0990 Path traversal in n/a

Low 2.1 Published 6 Apr 2005 Updated 7 Aug 2024

Local attackers can overwrite arbitrary files via symlink attacks in sharutils, 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-2005-0990?

CVE-2005-0990 is a low-severity path traversal vulnerability in n/a, published on 6 Apr 2005. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

unshar (unshar.c) in sharutils 4.2.1 allows local users to overwrite arbitrary files via a symlink attack on the unsh.X temporary file.

Which versions are affected by CVE-2005-0990?

It affects 1 product.

Products include Gnu Sharutils.

How do I fix CVE-2005-0990?

Upgrade to a fixed version.

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

Is CVE-2005-0990 being exploited?

There is no known exploitation of CVE-2005-0990 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-0990, GHSA-358m-xcjh-x4vp.