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XCCDF
Microsoft IIS 10.0 Server Security Technical Implementation Guide
SRG-APP-000141-WSR-000015
The Request Smuggling filter must be enabled.
The Request Smuggling filter must be enabled.
An XCCDF Rule
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The Request Smuggling filter must be enabled.
Medium Severity
<VulnDiscussion>Security scans show Request Smuggling vulnerability on IIS server. The vulnerability allows a remote attacker to perform HTTP request smuggling attack. The vulnerability exists due to the way that HTTP proxies (front-end) and web servers (back-end) that do not strictly adhere to RFC standards handle sequences of HTTP requests received from multiple sources. A remote attacker can send a specially crafted request to a targeted IIS Server, perform HTTP request smuggling attack and modify responses or retrieve information from another user's HTTP session.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>