CVE-2014-5353: Null Pointer Dereference
The krb5ldapgetpasswordpolicyfromdn function in plugins/kdb/ldap/libkdbldap/ldappwdpolicy.c in MIT Kerberos 5 (aka krb5) before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (daemon crash) via a successful LDAP query with no results, as demonstrated by using an incorrect object type for a password policy.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2014-5353?
CVE-2014-5353 is classified as a denial of service vulnerability that allows remote authenticated users to crash the KDC when it utilizes LDAP.
How do I fix CVE-2014-5353?
To mitigate CVE-2014-5353, upgrade to versions krb5 1.13.1 or later, or to the specified patched versions from your distribution.
Which versions of MIT Kerberos 5 are affected by CVE-2014-5353?
CVE-2014-5353 affects MIT Kerberos 5 versions before 1.13.1.
Can CVE-2014-5353 be exploited remotely?
Yes, CVE-2014-5353 can be exploited by remote authenticated users through specially crafted LDAP queries.
What systems are typically affected by CVE-2014-5353?
Affected systems include various Linux distributions using MIT Kerberos 5 versions prior to 1.13.1.