Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | 1.8 |
References
- http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152
- http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
- http://rhn.redhat.com/errata/RHSA-2012-1131.html
- http://web.mit.edu/kerberos/krb5-1.10/
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:102
- http://www.securityfocus.com/bid/53784
- https://bugzilla.redhat.com/show_bug.cgi?id=827517
- https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77bExploitPatch
- https://hermes.opensuse.org/messages/15083635
- http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152
- http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
- http://rhn.redhat.com/errata/RHSA-2012-1131.html
- http://web.mit.edu/kerberos/krb5-1.10/
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:102
- http://www.securityfocus.com/bid/53784
FAQ
What is CVE-2012-1013?
CVE-2012-1013 is a vulnerability with a CVSS score of 4.0 (MEDIUM). 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 denia...
How severe is CVE-2012-1013?
CVE-2012-1013 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-1013?
Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5.