SB2021121491 - Spoofing attack in Microsoft PowerShell
Published: December 14, 2021
Security Bulletin ID
SB2021121491
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Spoofing attack (CVE-ID: CVE-2021-43896)
CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data in Microsoft PowerShell. A local attacker can spoof page content.
Remediation
Install update from vendor's website.