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XCCDF
VMware vSphere 8.0 vCenter Appliance Management Interface (VAMI) Security Technical Implementation Guide
SRG-APP-000516-WSR-000174
SRG-APP-000516-WSR-000174
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-APP-000516-WSR-000174
1 Rule
<GroupDescription></GroupDescription>
The vCenter VAMI service must disable client initiated TLS renegotiation.
Medium Severity
<VulnDiscussion>All versions of the Secure Sockets Layer (SSL) and TLS protocols (up to and including TLS 1.2) are vulnerable to a man-in-the-middle attack (CVE-2009-3555) during a renegotiation. This vulnerability allows an attacker to "prefix" a chosen plaintext to the HTTP request as seen by the web server. The protocols have since been amended by RFC 5746, but the fix must be supported by both client and server to be effective. While Lighttpd and the underlying OpenSSL libraries are no longer vulnerable, steps must be taken to account for older clients that do not support RFC 5746. To this end, Lighttpd disables client-initiated renegotiation entirely by default. This configuration must be validated and maintained.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>