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mscveMicrosoftMS:CVE-2018-8476
HistoryNov 13, 2018 - 8:00 a.m.

Windows Deployment Services TFTP Server Remote Code Execution Vulnerability

2018-11-1308:00:00
Microsoft
msrc.microsoft.com
21

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.46 Medium

EPSS

Percentile

97.4%

A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory.

An attacker who successfully exploited the vulnerability could execute arbitrary code with elevated permissions on a target system.

To exploit the vulnerability, an attacker could create a specially crafted request, causing Windows to execute arbitrary code with elevated permissions.

The security update addresses the vulnerability by correcting how Windows Deployment Services TFTP Server handles objects in memory.

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.46 Medium

EPSS

Percentile

97.4%