Home/CVE/The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key
CVE

CVE-2012-1016

The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key

The pkinit_server_return_padata function in plugins/preauth/pkinit/pkinit_srv.c in the PKINIT implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.4 attempts to find an agility KDF identifier in inappropriate circumstances, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted Draft 9 request.

MEDIUM · CVSS 5 EPSS 0.00643
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

1
mit kerberos 5< 1.10.4
▣

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD05 Mar 2013 · 04:54 AM
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:10004-1
usnUSN-2310-1
rhsaRHSA-2013:0656Moderate
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://krbdev.mit.edu/rt/Ticket/Display.html?id=7527Vendor Advisory
http://secunia.com/advisories/55040Third Party Advisory
http://web.mit.edu/kerberos/www/krb5-1.10/Release NotesVendor Advisory
https://github.com/krb5/krb5/commit/db64ca25d661a47b996b4e2645998b5d7f0eb52cPatchThird Party Advisory
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