CVE-2013-1416 Information

Description

The prep_reprocess_req function in do_tgs_req.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.

Reference

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7600 http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102058.html http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102074.html http://lists.opensuse.org/opensuse-updates/2013-05/msg00011.html http://lists.opensuse.org/opensuse-updates/2013-06/msg00041.html http://lists.opensuse.org/opensuse-updates/2013-06/msg00102.html http://rhn.redhat.com/errata/RHSA-2013-0748.html http://www.mandriva.com/security/advisories?name=MDVSA-2013:157 http://www.mandriva.com/security/advisories?name=MDVSA-2013:158 https://github.com/krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81