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CVE-2011-1529 Details

Description

The 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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html	CVE
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt	CVE	Vendor Advisory
http://www.kb.cert.org/vuls/id/659251	CVE	US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:159	CVE
http://www.mandriva.com/security/advisories?name=MDVSA-2011:160	CVE
http://www.redhat.com/support/errata/RHSA-2011-1379.html	CVE	Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-10/msg00009.html	[email protected]
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt	[email protected]	Vendor Advisory
http://www.kb.cert.org/vuls/id/659251	[email protected]	US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:159	[email protected]
http://www.mandriva.com/security/advisories?name=MDVSA-2011:160	[email protected]
http://www.redhat.com/support/errata/RHSA-2011-1379.html	[email protected]	Vendor Advisory

see all 12 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
mit kerberos 5	1.8 1.8.1 1.8.2 1.8.3 1.8.4
CPE cpe:2.3:a:mit:kerberos_5:1.8:::::::* cpe:2.3:a:mit:kerberos_5:1.8.1:::::::* cpe:2.3:a:mit:kerberos_5:1.8.2:::::::* cpe:2.3:a:mit:kerberos_5:1.8.3:::::::* cpe:2.3:a:mit:kerberos_5:1.8.4:::::::* cpe:2.3:a:mit:kerberos_5:1.9:::::::* cpe:2.3:a:mit:kerberos_5:1.9.1:::::::* Remediation No remediation found in references.

Change History

12 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Jan 21, 2020	CPE Deprecation Remap	[email protected]
Oct 21, 2011	Initial Analysis	[email protected]