SB2020090847 - Privilege escalation in Microsoft Group Policy
Published: September 8, 2020
Security Bulletin ID
SB2020090847
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2020-1013)
CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists when Microsoft Windows processes group policy updates. A remote attacker on the local network can launch a man-in-the-middle (MiTM) attack against the traffic passing between a domain controller and the target machine and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.