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.
Published: 2011-03-20
Score: 4.6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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.

Subscriptions

Openldap Openldap
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T22:14:27.232Z

Reserved: 2011-02-14T00:00:00.000Z

Link: CVE-2011-1024

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2011-03-20T02:00:03.627

Modified: 2026-04-29T01:13:23.040

Link: CVE-2011-1024

cve-icon Redhat

Severity : Moderate

Publid Date: 2010-07-28T00:00:00Z

Links: CVE-2011-1024 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses