CVE-2014-5354 Null dereference in n/a
Authenticated users can crash the Kerberos KDC by creating keyless principals when LDAP is enabled, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-5354?
CVE-2014-5354 is a low-severity vulnerability in Mit Kerberos 5, published on 16 Dec 2014. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by creating a database entry for a keyless principal, as demonstrated by a kadmin "add_principal -nokey" or "purgekeys -all" command.
Which versions are affected by CVE-2014-5354?
It affects 2 products.
Products include Mit Kerberos, Mit Kerberos 5.
How do I fix CVE-2014-5354?
Upgrade to a fixed version.
Is CVE-2014-5354 being exploited?
There is no known exploitation of CVE-2014-5354 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2014-5354, GHSA-m892-8m95-539h, UBUNTU-CVE-2014-5354.