CVE-2009-0361

CVE-2009-0361 is a medium-severity vulnerability in Eyrie Pam-krb5 with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

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.

Frequently asked questions

What is CVE-2009-0361?
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.
How severe is CVE-2009-0361?
CVE-2009-0361 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2009-0361 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0361?
CVE-2009-0361 primarily affects Eyrie Pam-krb5. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0361?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0361 published?
CVE-2009-0361 was published on 2009-02-13 and last updated on 2026-06-16.

References

Affected products (13)

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