CVE-2013-1416: Null Pointer Dereference
The prepreprocessreq function in dotgsreq.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2013-1416?
CVE-2013-1416 is considered a denial of service vulnerability due to a null pointer dereference that can lead to a daemon crash.
How do I fix CVE-2013-1416?
To fix CVE-2013-1416, upgrade to MIT Kerberos 5 version 1.10.5 or later.
Which software is affected by CVE-2013-1416?
CVE-2013-1416 affects multiple versions of MIT Kerberos 5 and several versions of openSUSE and Fedora.
Can CVE-2013-1416 be exploited remotely?
Yes, CVE-2013-1416 can be exploited by remote authenticated users to cause a denial of service.
What does CVE-2013-1416 allow attackers to do?
CVE-2013-1416 allows attackers to cause a denial of service by crashing the Key Distribution Center (KDC) daemon.