CVE-2011-1529

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Summary

CVECVE-2011-1529
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-10-20 21:55:00 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe lookup_lockout_policy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain process_as_req errors.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

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

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mit Kerberos 5 1.8 All All All
Application Mit Kerberos 5 1.8.1 All All All
Application Mit Kerberos 5 1.8.2 All All All
Application Mit Kerberos 5 1.8.3 All All All
Application Mit Kerberos 5 1.8.4 All All All
Application Mit Kerberos 5 1.9 All All All
Application Mit Kerberos 5 1.9.1 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt af854a3a-2127-422b-91ae-364da2661108 web.mit.edu Vendor Advisory
Support / Security / Advisories / / MDVSA-2011:160 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Support / Security / Advisories / / MDVSA-2011:159 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
US-CERT Vulnerability Note VU#659251 - Multiple MIT KRB5 KDC daemon vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org US Government Resource
Support af854a3a-2127-422b-91ae-364da2661108 www.redhat.com Vendor Advisory
[security-announce] openSUSE-SU-2011:1169-1: important: krb5: fixed kdc af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
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