CVE-2013-1417

low
Published 2013-11-20 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
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
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1.11.3+dfsg-3+nmu1
sid Fixed 1.11.3+dfsg-3+nmu1
forky Fixed 1.11.3+dfsg-3+nmu1
bullseye Fixed 1.11.3+dfsg-3+nmu1
bookworm Fixed 1.11.3+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

Community-verified mitigations for this CVE will appear above when contributors publish them.

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