CVE-2011-1024

openldap: forwarded bind failure messages cause success

Published Mar 20, 2011 CVSS 2.0 · 4.6 Medium EPSS 2.6% KEV · Not listed
Description
chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2011-1041 chain.c in back-ldap in OpenLDAP 2.4.x before 2.4.24, when a master-slave configuration with a chain overlay and ppolicy_forward_updates (aka authentication-failure forwarding) is used, allows remote authenticated users to bypass external-program authentication by sending an invalid password to a slave server.
Ubuntu USN Ubuntu USN USN-1100-1 OpenLDAP vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 10:14 PM
Reserved
Feb 14, 2011, 12:00 AM
Status
Modified
Published
Mar 20, 2011, 2:00 AM
Modified
Jun 16, 2026, 11:28 PM
Severity
Moderate
Public date
Jul 28, 2010, 12:00 AM