CVE-2014-3423 Path traversal in n/a

Low 3.3 Published 8 May 2014 Updated 6 Aug 2024

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

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

What is CVE-2014-3423?

CVE-2014-3423 is a low-severity path traversal vulnerability in n/a, published on 8 May 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

lisp/net/browse-url.el in GNU Emacs 24.3 and earlier allows local users to overwrite arbitrary files via a symlink attack on a /tmp/Mosaic.##### temporary file.

Weakness: CWE-59

Which versions are affected by CVE-2014-3423?

It affects 2 products.

Products include Gnu Emacs, Mageia Project Mageia.

How do I fix CVE-2014-3423?

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-2014-3423 being exploited?

There is no known exploitation of CVE-2014-3423 in the wild and no public exploit code.

Sources

Also known as GHSA-qr4g-ghx2-6476.