Remote command execution in Windows Shell on Microsoft Windows 10 and 2016

Published: 2018-08-14 21:36:10
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-8414
CVSSv3 8.4 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CWE ID CWE-20
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows 10
Windows Server 2016
Vendor URL Microsoft

Security Advisory

1) Improper input validation

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to an error when validating file paths in Windows Shell. A remote attacker can create a specially crafted file, trick the victim into opening it and execute arbitrary system commands on the vulnerable system.

Note: this vulnerability is being actively exploited in the wild.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8414

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