CVE-2009-0361

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine without logging in. Limited direct impact.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2009-02-13 17:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 23:04 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 4.6 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2009-02-13 17:30 UTC

Last modified

2026-06-16 23:04 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-264

Record status

Modified

Affected

• Eyrie pam-krb5 ≤ 3.12
• Eyrie pam-krb5 3.0
• Eyrie pam-krb5 3.1
• Eyrie pam-krb5 3.2
• Eyrie pam-krb5 3.3
• Eyrie pam-krb5 3.4
• Eyrie pam-krb5 3.5
• Eyrie pam-krb5 3.6

Attack profile CVSS 2.0 · 4.6

Attack vector

Local

Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-0361.md and follow it. Check whether this project is affected by CVE-2009-0361. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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