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mscveMicrosoftMS:CVE-2017-0164
HistoryApr 11, 2017 - 7:00 a.m.

Active Directory Denial of Service Vulnerability

2017-04-1107:00:00
Microsoft
msrc.microsoft.com
15

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS3

4.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS

0.003

Percentile

65.9%

A denial of service vulnerability exists in Active Directory when an authenticated attacker sends malicious search queries. An attacker who successfully exploited this vulnerability could cause the Active Directory service to become nonresponsive.

To exploit this vulnerability, an attacker must have valid credentials. An attacker could exploit this vulnerability by sending malicious search queries, resulting in denial of service.

The update addresses the vulnerability by correcting how search queries are processed.

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS3

4.4

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

EPSS

0.003

Percentile

65.9%