CVE-2009-0361 Privilege escalation in n/a

Medium 4.6 Published 13 Feb 2009 Updated 7 Aug 2024

Local attackers can overwrite arbitrary files and change ownership via KRB5CCNAME manipulation in setuid applications using pam-krb5.

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-2009-0361?

CVE-2009-0361 is a medium-severity vulnerability in n/a, published on 13 Feb 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Russ Allbery pam-krb5 before 3.13, as used by libpam-heimdal, su in Solaris 10, and other software, does not properly handle calls to pam_setcred when running setuid, which allows local users to overwrite and change the ownership of arbitrary files by setting the KRB5CCNAME environment variable, and then launching a setuid application that performs certain pam_setcred operations.

Weakness: CWE-264

Which versions are affected by CVE-2009-0361?

It affects 1 product.

Products include Eyrie Pam-Krb5.

How do I fix CVE-2009-0361?

Upgrade to a fixed version.

Is CVE-2009-0361 being exploited?

There is no known exploitation of CVE-2009-0361 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-0361, DSA-1722-1, GHSA-rcf3-vv2f-fwg2.