CVE-2012-1016

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Summary

CVECVE-2012-1016
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-03-05 04:54:02 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-476 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mit Kerberos 5 All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
PKINIT (draft9) null ptr deref [CVE-2012-1016] · krb5/krb5@db64ca2 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
RT/krbdev.mit.edu: Ticket #7527 PKINIT (draft9) null ptr deref [CVE-2012-1016] af854a3a-2127-422b-91ae-364da2661108 krbdev.mit.edu Vendor Advisory
Kerberos 5 Release 1.10.6 af854a3a-2127-422b-91ae-364da2661108 web.mit.edu Release Notes, Vendor Advisory
Security Advisory SA55040 - Oracle Solaris Key Distribution Center (KDC) Denial of Service Vulnerabilities - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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