Deserialization of untrusted data in Windows and Windows Server - CVE-2017-8565

 

Deserialization of untrusted data in Windows and Windows Server - CVE-2017-8565

Published: July 11, 2017 / Updated: July 11, 2017


Vulnerability identifier: #VU7465
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-8565
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

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

The vulnerability exists due to an error in PowerShell when PSObject wraps a CIM Instance. A remote unauthenticated attacker can execute arbitrary code on the target system in a PowerShell remote session

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2017-8565

Install updates from vendor's website.

Sources