Description

The process_db_args function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the LDAP KDB module in kadmind in MIT Kerberos 5 (aka krb5) through 1.13.4 and 1.14.x through 1.14.1 mishandles the DB argument, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request to modify a principal.

References

http://lists.opensuse.org/opensuse-updates/2016-04/msg00007.html

http://lists.opensuse.org/opensuse-updates/2016-04/msg00055.html

http://rhn.redhat.com/errata/RHSA-2016-2591.html

http://www.securityfocus.com/bid/85392

http://www.securitytracker.com/id/1035399

https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99

https://lists.debian.org/debian-lts-announce/2018/01/msg00040.html

Details

Risk Information

CVSS v2

CVSS v3