CVE-2012-1013

CVE-2012-1013 is a medium-severity vulnerability in Mit Kerberos 5 with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.

Frequently asked questions

What is CVE-2012-1013?
The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.
How severe is CVE-2012-1013?
CVE-2012-1013 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2012-1013 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1013?
CVE-2012-1013 primarily affects Mit Kerberos 5. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1013?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1013 published?
CVE-2012-1013 was published on 2012-06-07 and last updated on 2026-06-16.

References

Affected products (13)

More vulnerabilities in Mit Kerberos 5

All CVEs affecting Mit Kerberos 5 →