Description
A denial of service exists in Microsoft IIS Server when the optional request filtering feature improperly handles requests. An attacker who successfully exploited this vulnerability could perform a temporary denial of service against pages configured to use request filtering. To exploit this vulnerability, an attacker could send a specially crafted request to a page utilizing request filtering. The update addresses the vulnerability by changing the way certain requests are processed by the filter.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
E
Physical
RL
O
RC
Changed
Affected products
- Microsoft / Windows 10 Version 150710.0.10240.0 – publication
- Microsoft / Windows 10 Version 160710.0.14393.0 – publication
- Microsoft / Windows 10 Version 170310.0.0 – publication
- Microsoft / Windows 10 Version 170910.0.0 – publication
- Microsoft / Windows 10 Version 1709 for 32-bit Systems10.0.0 – publication
- Microsoft / Windows 10 Version 180310.0.0 – publication
- Microsoft / Windows 10 Version 180910.0.17763.0 – publication
- Microsoft / Windows 10 Version 180910.0.0 – publication
- Microsoft / Windows 10 Version 1903 for 32-bit Systems10.0.0 – publication
- Microsoft / Windows 10 Version 1903 for ARM64-based Systems10.0.0 – publication
- Microsoft / Windows 10 Version 1903 for x64-based Systems10.0.0 – publication
- Microsoft / Windows 76.1.0 – publication
- Microsoft / Windows 7 Service Pack 16.1.0 – publication
- Microsoft / Windows 8.16.3.0 – publication
- Microsoft / Windows Server 2008 R2 Service Pack 16.1.7601.0 – publication
- Microsoft / Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 – publication
- Microsoft / Windows Server 2008 R2 Systems Service Pack 16.1.0 – publication
- Microsoft / Windows Server 2008 Service Pack 26.0.0 – publication
- Microsoft / Windows Server 2008 Service Pack 26.0.6003.0 – publication
- Microsoft / Windows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 – publication
- Microsoft / Windows Server 20126.2.9200.0 – publication
- Microsoft / Windows Server 2012 R26.3.9600.0 – publication
- Microsoft / Windows Server 2012 R2 (Server Core installation)6.3.9600.0 – publication
- Microsoft / Windows Server 2012 (Server Core installation)6.2.9200.0 – publication
- Microsoft / Windows Server 201610.0.14393.0 – publication
- Microsoft / Windows Server 2016 (Server Core installation)10.0.14393.0 – publication
- Microsoft / Windows Server 201910.0.17763.0 – publication
- Microsoft / Windows Server 2019 (Server Core installation)10.0.17763.0 – publication
- Microsoft / Windows Server, version 1803 (Server Core Installation)10.0.0 – publication
- Microsoft / Windows Server, version 1903 (Server Core installation)10.0.0 – publication