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Oracle HTTP Server 12.1.3 Security Technical Implementation Guide
SRG-APP-000266-WSR-000159
OHS must have the Alias /error directive defined to reference the directory accompanying the ErrorDocument directives to minimize the identity of OHS, patches, loaded modules, and directory paths in warning and error messages displayed to clients.
OHS must have the Alias /error directive defined to reference the directory accompanying the ErrorDocument directives to minimize the identity of OHS, patches, loaded modules, and directory paths in warning and error messages displayed to clients. An XCCDF Rule
OHS must have the Alias /error directive defined to reference the directory accompanying the ErrorDocument directives to minimize the identity of OHS, patches, loaded modules, and directory paths in warning and error messages displayed to clients.
Medium Severity
<VulnDiscussion>Information needed by an attacker to begin looking for possible vulnerabilities in a web server includes any information about the web server, backend systems being accessed, and plug-ins or modules being used.
Web servers will often display error messages to client users displaying enough information to aid in the debugging of the error. The information given back in error messages may display the web server type, version, patches installed, plug-ins and modules installed, type of code being used by the hosted application, and any backends being used for data storage.
This information could be used by an attacker to blueprint what type of attacks might be successful. The information given to users must be minimized to not aid in the blueprinting of the web server.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>