Permissions, Privileges, and Access Controls in OpenLDAP - CVE-2011-1024

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Main Vulnerability Database Vulnerabilities #VU45194

Permissions, Privileges, and Access Controls in OpenLDAP - CVE-2011-1024

Published: March 20, 2011 / Updated: August 11, 2020


Vulnerability identifier: #VU45194
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-1024
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: OpenLDAP.org
Affected software:
OpenLDAP

Detailed vulnerability description

The vulnerability allows a remote #AU# to read and manipulate data.

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.


How to mitigate CVE-2011-1024

Install update from vendor's website.

Sources