GLSA-200612-19 : pam_ldap: Authentication bypass vulnerability

This script is Copyright (C) 2006-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200612-19
(pam_ldap: Authentication bypass vulnerability)

Steve Rigler discovered that pam_ldap does not correctly handle
'PasswordPolicyResponse' control responses from an LDAP directory. This
causes the pam_authenticate() function to always succeed, even if the
previous authentication failed.

Impact :

A locked user may exploit this vulnerability to bypass the LDAP
authentication mechanism, possibly gaining unauthorized access to the

Workaround :

There is no known workaround at this time.

See also :

Solution :

All pam_ldap users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=sys-auth/pam_ldap-183'

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.5
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 23956 (gentoo_GLSA-200612-19.nasl)

Bugtraq ID: 20880

CVE ID: CVE-2006-5170

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