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mscveMicrosoftMS:CVE-2020-0662
HistoryFeb 11, 2020 - 8:00 a.m.

Internet Connection Sharing Service Remote Code Execution Vulnerability

2020-02-1108:00:00
Microsoft
msrc.microsoft.com
38

CVSS2

9

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.022

Percentile

89.5%

A memory corruption vulnerability exists in the Internet Connection Sharing (ICS) service when an attacker sends specially crafted packets to the server. An attacker who successfully exploited the vulnerability could run arbitrary code on the server with elevated privileges.

To exploit the vulnerability, an attacker could send a specially crafted packet to a DHCP server.

The security update addresses the vulnerability by correcting how the Internet Connection Sharing (ICS) service handles network packets.

CVSS2

9

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.022

Percentile

89.5%