CVE-2012-1013

medium

Published 2012-06-07 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

4.0

Description

The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.

Predictions

Exploit likelihood

20%

Patch ETA

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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 — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → 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

OS	Version	Status	Fixed in
debian	bookworm	fixed	`1.10.1+dfsg-3`
debian	bullseye	fixed	`1.10.1+dfsg-3`
debian	forky	fixed	`1.10.1+dfsg-3`
debian	sid	fixed	`1.10.1+dfsg-3`
debian	trixie	fixed	`1.10.1+dfsg-3`

Application impact

Vendor	Product	Versions
mit	kerberos_5	`1.8`
mit	kerberos_5	`1.8.1`
mit	kerberos_5	`1.8.2`
mit	kerberos_5	`1.8.3`
mit	kerberos_5	`1.8.4`
mit	kerberos_5	`1.8.5`
mit	kerberos_5	`1.8.6`
mit	kerberos_5	`1.9`
mit	kerberos_5	`1.9.1`
mit	kerberos_5	`1.9.2`
mit	kerberos_5	`1.9.3`
mit	kerberos_5	`1.10`
mit	kerberos_5	`1.10.1`

References

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

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