SB2020060947 - Security Feature bypass in Microsoft Windows Host Guardian Service
Published: June 9, 2020
Security Bulletin ID
SB2020060947
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security Features (CVE-ID: CVE-2020-1259)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
This vulnerability allows a remote attacker to bypass security rescritions feature.
The vulnerability exists due to the Windows Host Guardian Service improperly handles hashes recorded and logged. A remote authenticated attacker can change existing event log types to a type the parsers do not interpret and append their own hash without triggering an alert.
Remediation
Install update from vendor's website.