CVE-2013-1416

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.

• CWE-476

• http://krbdev.mit.edu/rt/Ticket/Display.html?id=7600Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102058.htmlThird Party Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102074.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-updates/2013-05/msg00011.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00041.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00102.htmlMailing List, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0748.htmlThird Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:157Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:158Third Party Advisory
• https://github.com/krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81Patch, Third Party Advisory
• http://krbdev.mit.edu/rt/Ticket/Display.html?id=7600Vendor Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102058.htmlThird Party Advisory
• http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102074.htmlThird Party Advisory
• http://lists.opensuse.org/opensuse-updates/2013-05/msg00011.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00041.htmlMailing List, Third Party Advisory
• http://lists.opensuse.org/opensuse-updates/2013-06/msg00102.htmlMailing List, Third Party Advisory
• http://rhn.redhat.com/errata/RHSA-2013-0748.htmlThird Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:157Third Party Advisory
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:158Third Party Advisory
• https://github.com/krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81Patch, Third Party Advisory

Published

Apr 19, 2013

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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