CVE-2004-0970 Path traversal in n/a

Low 2.1 Published 20 Oct 2004 Updated 8 Aug 2024

Local attackers can overwrite arbitrary files via symlink attacks on temporary files in gzip scripts, requiring local access.

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-2004-0970?

CVE-2004-0970 is a low-severity path traversal vulnerability in n/a, published on 20 Oct 2004. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The (1) gzexe, (2) zdiff, and (3) znew scripts in the gzip package, as used by other packages such as ncompress, allows local users to overwrite files via a symlink attack on temporary files. NOTE: the znew vulnerability may overlap CVE-2003-0367.

Which versions are affected by CVE-2004-0970?

It affects 1 product.

Products include Gnu Gzip.

How do I fix CVE-2004-0970?

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-2004-0970 being exploited?

There is no known exploitation of CVE-2004-0970 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2004-0970, DSA-588-1, GHSA-2jrh-9rrj-2f59.