CVE-2020-0645 Microsoft IIS Server Tampering Vulnerability
Description
A tampering vulnerability exists when Microsoft IIS Server improperly handles malformed request headers. An attacker who successfully exploited the vulnerability could cause a vulnerable server to improperly process HTTP headers and tamper with the responses returned to clients. To exploit the vulnerability, an attacker would need to send a malformed HTTP request to an affected server. The update addresses the vulnerability by modifying how IIS Server handles malformed request headers.
Affected Applications
Windows RT 8.1
Windows Server version 1903 (Server Core installation)
Windows Server 2016
Windows Server version 1803 (Server Core Installation)
Windows Server 2012
Windows 8
Windows 7
Windows 10
Windows Server 2008
Windows Server version 1909 (Server Core installation)
Windows Server 2019