CVE-2013-1417

low
Published 2013-11-20 · Modified 2026-04-29
CVSS v3
CVSS v2
3.5
VIR risk
3.5

Description

do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2013-1417

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1.11.3+dfsg-3+nmu1
debian debianbullseyefixed1.11.3+dfsg-3+nmu1
debian debianforkyfixed1.11.3+dfsg-3+nmu1
debian debiansidfixed1.11.3+dfsg-3+nmu1
debian debiantrixiefixed1.11.3+dfsg-3+nmu1

Application impact

VendorProductVersionsFixed
mitkerberos_51.11
mitkerberos_51.11.1
mitkerberos_51.11.2
mitkerberos_51.11.3

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.