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Vulnerability of Windows: denial of service via Active Directory

Synthesis of the vulnerability

An authenticated attacker can create several machine accounts in the Active Directory of Windows, in order to trigger a denial of service.
Severity of this computer vulnerability: 2/4.
Creation date: 08/09/2015.
Références of this announce: 3072595, CERTFR-2015-AVI-381, CVE-2015-2535, MS15-096, VIGILANCE-VUL-17842.

Description of the vulnerability

The Active Directory contains accounts for users and for computers.

However, there is no limit on the number of machine accounts which can be created by a single user.

An authenticated attacker can therefore create several machine accounts in the Active Directory of Windows, in order to trigger a denial of service.
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This cybersecurity threat impacts software or systems such as Windows 2008 R0, Windows 2008 R2, Windows 2012.

Our Vigil@nce team determined that the severity of this computer threat note is medium.

The trust level is of type confirmed by the editor, with an origin of user account.

An attacker with a expert ability can exploit this security threat.

Solutions for this threat

Windows: patch for Active Directory.
A patch is indicated in information sources.
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