Security Feature bypass in Microsoft Windows Host Guardian Service
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-1259 |
| CWE-ID | CWE-254 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Security Features
EUVDB-ID: #VU28879
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-1259
CWE-ID:
CWE-254 - Security Features
Exploit availability: No
DescriptionThis 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versionsWindows Server: 2016 - 2019 2004
Windows: 10 - 10 2004
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1259
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
