CVE-2009-5079 Path traversal in n/a
Local attackers can overwrite arbitrary files via symlink attacks on temporary files in GNU troff 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-2009-5079?
CVE-2009-5079 is a low-severity path traversal vulnerability in n/a, published on 30 Jun 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The (1) gendef.sh, (2) doc/fixinfo.sh, and (3) contrib/gdiffmk/tests/runtests.in scripts in GNU troff (aka groff) 1.21 and earlier allow local users to overwrite arbitrary files via a symlink attack on a gro#####.tmp or /tmp/##### temporary file.
Weakness: CWE-59
Which versions are affected by CVE-2009-5079?
It affects 1 product.
Products include Gnu Groff.
How do I fix CVE-2009-5079?
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-2009-5079 being exploited?
There is no known exploitation of CVE-2009-5079 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2009-5079, GHSA-xq95-4rwq-mppc.