Lucene search

K
zdiAbdelhamid Naceri (halov)ZDI-21-178
HistoryFeb 10, 2021 - 12:00 a.m.

Microsoft Windows Device Management Enrollment Service Directory Junction Information Disclosure Vulnerability

2021-02-1000:00:00
Abdelhamid Naceri (halov)
www.zerodayinitiative.com
5

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:C/I:N/A:N

0.0005 Low

EPSS

Percentile

14.8%

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Device Management Enrollment Service. By creating a directory junction, an attacker can abuse the Device Management Enrollment Service to disclose the contents of arbitrary files. An attacker can leverage this vulnerability to disclose information in the context of SYSTEM.

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:C/I:N/A:N

0.0005 Low

EPSS

Percentile

14.8%