MS11-086: Vulnerability in Active Directory Could Allow Elevation of Privilege (2630837)

This script is Copyright (C) 2011-2015 Tenable Network Security, Inc.

Synopsis :

The installed version of Active Directory is affected by a
vulnerability that could allow elevation of privileges.

Description :

The remote Windows host has a version of Active Directory that fails
to validate the revocation status of an SSL certificate against the
CRL (Certificate Revocation List) associated with the domain account.

When Active Directory is configured to use LDAP over SSL, a remote
attacker can exploit this and use a previously revoked certificate to
authenticate to the Active Directory domain as the user associated
with that certificate. This would give him access to the network
resources or ability to run code on the affected host, subject to the
privileges of that user.

See also :

Solution :

Microsoft has released a set of patches for Windows XP, 2003, Vista,
2008, 7, and 2008 R2.

Risk factor :

High / CVSS Base Score : 7.6
CVSS Temporal Score : 5.6
Public Exploit Available : false

Family: Windows : Microsoft Bulletins

Nessus Plugin ID: 56739 ()

Bugtraq ID: 50570

CVE ID: CVE-2011-2014

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