CVE-2009-0842 Information disclosure in n/a

Medium 4.3 Published 31 Mar 2009 Updated 7 Aug 2024

Remote attackers can read arbitrary file contents via error messages in MapServer by manipulating the map parameter, exposing sensitive data.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2009-0842?

CVE-2009-0842 is a medium-severity vulnerability in n/a, published on 31 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to read arbitrary invalid .map files via a full pathname in the map parameter, which triggers the display of partial file contents within an error message, as demonstrated by a /tmp/sekrut.map symlink.

Weakness: CWE-200

Which versions are affected by CVE-2009-0842?

It affects 2 products.

Products include Osgeo Mapserver, Umn Mapserver.

How do I fix CVE-2009-0842?

Upgrade to a fixed version.

Is CVE-2009-0842 being exploited?

There is no known exploitation of CVE-2009-0842 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-0842, GHSA-4c3c-6q2f-43vf.