CVE-2014-5354
krb5: NULL pointer dereference when using keyless entries
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · November 20, 2014
Updated · November 21, 2025
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.
Statement
Not vulnerable. This issue does not affect the version of krb5 package as shipped with Red Hat Enterprise Linux 5, 6 and 7.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 3.5AV:N/AC:M/Au:S/C:N/I:N/A:P
CWE-476 · NULL Pointer Dereference