A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files. In an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded. The update addresses the vulnerability by correcting how Windows validates file signatures.
Weakness
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Windows_10_1507 | Microsoft | - (including) | - (including) |
| Windows_10_1607 | Microsoft | - (including) | - (including) |
| Windows_10_1709 | Microsoft | - (including) | - (including) |
| Windows_10_1803 | Microsoft | - (including) | - (including) |
| Windows_10_1809 | Microsoft | - (including) | - (including) |
| Windows_10_1903 | Microsoft | - (including) | - (including) |
| Windows_10_1909 | Microsoft | - (including) | - (including) |
| Windows_10_2004 | Microsoft | - (including) | - (including) |
| Windows_7 | Microsoft | –sp1 (including) | –sp1 (including) |
| Windows_8.1 | Microsoft | - (including) | - (including) |
| Windows_rt_8.1 | Microsoft | - (including) | - (including) |
| Windows_server_1903 | Microsoft | - (including) | - (including) |
| Windows_server_1909 | Microsoft | - (including) | - (including) |
| Windows_server_2004 | Microsoft | - (including) | - (including) |
| Windows_server_2008 | Microsoft | –sp2 (including) | –sp2 (including) |
| Windows_server_2008 | Microsoft | r2-sp1 (including) | r2-sp1 (including) |
| Windows_server_2012 | Microsoft | - (including) | - (including) |
| Windows_server_2012 | Microsoft | r2 (including) | r2 (including) |
| Windows_server_2016 | Microsoft | - (including) | - (including) |
| Windows_server_2019 | Microsoft | - (including) | - (including) |
Related Attack Patterns
References
- https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html
- https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/
- https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464
- https://blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html
- https://krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/
- https://medium.com/%40TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1464