Intrusion Prevention

MS.Windows.MSI.File.Signature.Spoofing

Description

This indicates an attack attempt to exploit a File Signature Spoofing Vulnerability in Microsoft Windows Server.
The vulnerability is due to insufficient validation of file signatures. A remote attacker could exploit this vulnerability by enticing a user to open an improperly signed file. A remote attacker could exploit this vulnerability by enticing a user to run a malicious JAR file with valid digital signature. Successful exploitation could lead to remote code execution in the security
context of the enticed user.

Affected Products

Microsoft Windows 7
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2012 (Server Core installation)
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2 (Server Core installation)
Microsoft Windows Server 2016
Microsoft Windows Server 2016 (Server Core installation)
Microsoft Windows Server 2019
Microsoft Windows Server 2019 (Server Core installation)
Microsoft Windows Server version 1903 (Server Core installation)
Microsoft Windows Server version 1909 (Server Core installation)
Microsoft Windows Server version 2004 (Server Core installation)

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2020-1464

CVE References

CVE-2020-1464