SB2022051007 - Spoofing attack in Microsoft Windows LSA
Published: May 10, 2022
Security Bulletin ID
SB2022051007
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2022-26925)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists within the Windows LSA service. A remote attacker can call a method on the LSARPC interface and coerce the domain controller to authenticate to the attacker using NTLM. As a result, an attacker can obtain credentials and compromise the affected system via the NTLM Relay Attack.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.