CVE-2012-1013 Null dereference in n/a
Remote authenticated administrators can crash the Kerberos admin daemon via a null pointer dereference in a specific ticket creation request.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-1013?
CVE-2012-1013 is a medium-severity vulnerability in Mit Kerberos 5, published on 7 Jun 2012. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Which versions are affected by CVE-2012-1013?
It affects 1 product.
Products include Mit Kerberos 5.
How do I fix CVE-2012-1013?
Upgrade to a fixed version.
Is CVE-2012-1013 being exploited?
There is no known exploitation of CVE-2012-1013 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2012-1013, GHSA-j6c8-vggw-4c3v.