Intel Management Engine Authentication Bypass (INTEL-SA-00075) (remote check)

This script is Copyright (C) 2017 Tenable Network Security, Inc.

Synopsis :

The remote host is affected by an authentication bypass vulnerability.

Description :

The Intel Management Engine on the remote host has Active Management
Technology (AMT) enabled, and is affected by an authentication bypass
vulnerability. An unauthenticated, remote attacker can exploit this,
via a NULL HTTP Digest response, to bypass authentication.

Note that the vulnerability is only exploitable remotely if either
Active Management Technology (AMT), Intel Standard Manageability
(ISM), or Small Business Technology (SBT) is enabled. However, a local
attacker can still exploit the vulnerability even if these components
are disabled by simply re-enabling the components.

See also :

Solution :

Contact your system OEM for updated firmware per the vendor advisory.

Alternatively, apply these mitigations per the INTEL-SA-00075
mitigation guide :

- Unprovision Intel manageability SKU clients.
- Disable or remove the Local Manageability Service (LMS).
- Configure local manageability configuration restrictions.

Risk factor :

Critical / CVSS Base Score : 10.0
Public Exploit Available : true

Family: Web Servers

Nessus Plugin ID: 97999 ()

Bugtraq ID: 98269

CVE ID: CVE-2017-5689

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