From VMware vRealize Operations Manager 6.x tc Server Security Technical Implementation Guide
Part of SRG-APP-000439-WSR-000188
Associated with: CCI-002418
During the initial setup of a Transport Layer Security (TLS) connection to the web server, the client sends a list of supported cipher suites in order of preference. The web server will reply with the cipher suite it will use for communication from the client list. If an attacker can intercept the submission of cipher suites to the web server and place, as the preferred cipher suite, a weak export suite, the encryption used for the session becomes easy for the attacker to break, often within minutes to hours.
At the command prompt, execute the following command: grep vmware-ssl.ssl.ciphers.list /usr/lib/vmware-vcops/tomcat-web-app/conf/catalina.properties If any export ciphers are listed, this is a finding. Note: To view a list of export ciphers, at the command prompt execute the following command: openssl ciphers 'EXP'
Navigate to and open /usr/lib/vmware-vcops/tomcat-web-app/conf/catalina.properties. Navigate to the “vmware-ssl.ssl.ciphers.list” setting. Remove any export ciphers from “vmware-ssl.ssl.ciphers.list”. Note: To view a list of export ciphers, at the command prompt execute the following command: openssl ciphers 'EXP'
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