SB2022121357 - Remote code execution in Microsoft PowerShell



SB2022121357 - Remote code execution in Microsoft PowerShell

Published: December 13, 2022

Security Bulletin ID SB2022121357
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2022-41076)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to insufficient validation of user-supplied input in the PowerShell. A remote user can pass specially crafted input to the application and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.