VMware vSphere 8.0 vCenter Appliance ESX Agent Manager (EAM) Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000516-AS-000237
Group -
The vCenter ESX Agent Manager service must enable "ENFORCE_ENCODING_IN_GET_WRITER".
Some clients try to guess the character encoding of text media when the mandated default of ISO-8859-1 should be used. Some browsers will interpret as UTF-7 when the characters are safe for ISO-885...Rule Medium Severity -
SRG-APP-000141-AS-000095
Group -
The vCenter ESX Agent Manager service manager webapp must be removed.
Tomcat provides management functionality through either a default manager webapp or through local editing of the configuration files. The manager webapp files must be deleted, and administration mu...Rule Medium Severity -
SRG-APP-000141-AS-000095
Group -
The vCenter ESX Agent Manager service host-manager webapp must be removed.
Tomcat provides host management functionality through either a default host-manager webapp or through local editing of the configuration files. The host-manager webapp files must be deleted, and ad...Rule Medium Severity -
The vCenter ESX Agent Manager service must limit the number of maximum concurrent connections permitted.
Resource exhaustion can occur when an unlimited number of concurrent requests are allowed on a website, facilitating a denial-of-service attack. Unless the number of requests is controlled, the web...Rule Medium Severity -
The vCenter ESX Agent Manager service must produce log records containing sufficient information regarding event details.
Remote access can be exploited by an attacker to compromise the server. By recording all remote access activities, it will be possible to determine the attacker's location, intent, and degree of su...Rule Medium Severity -
The vCenter ESX Agent Manager service must limit privileges for creating or modifying hosted application shared files.
Application servers have the ability to specify that the hosted applications use shared libraries. The application server must have a capability to divide roles based upon duties wherein one projec...Rule Medium Severity -
The vCenter ESX Agent Manager service must be configured to limit data exposure between applications.
If RECYCLE_FACADES is true or if a security manager is in use, a new facade object will be created for each request. This reduces the chances that a bug in an application might expose data from one...Rule Medium Severity -
The vCenter ESX Agent Manager service must be configured to fail to a known safe state if system initialization fails.
Determining a safe state for failure and weighing that against a potential denial of service for users depends on what type of application the web server is hosting. It is preferable that the servi...Rule Medium Severity -
The vCenter ESX Agent Manager service "ErrorReportValve showServerInfo" must be set to "false".
The Error Report Valve is a simple error handler for HTTP status codes that will generate and return HTML error pages. It can also be configured to return predefined static HTML pages for specific ...Rule Medium Severity -
The vCenter ESX Agent Manager service must enable STRICT_SERVLET_COMPLIANCE.
Strict Servlet Compliance forces Tomcat to adhere to standards specifications including but not limited to RFC2109. RFC2109 sets the standard for HTTP session management. This setting affects sever...Rule Medium Severity -
The vCenter ESX Agent Manager service must limit the amount of time that each Transmission Control Protocol (TCP) connection is kept alive.
Denial of service (DoS) is one threat against web servers. Many DoS attacks attempt to consume web server resources in such a way that no more resources are available to satisfy legitimate requests...Rule Medium Severity -
The vCenter ESX Agent Manager service must configure the "setCharacterEncodingFilter" filter.
Invalid user input occurs when a user inserts data or characters into a hosted application's data entry field and the hosted application is unprepared to process that data. This results in unantici...Rule Medium Severity -
The vCenter ESX Agent Manager service DefaultServlet must be set to "readonly" for "PUT" and "DELETE" commands.
The default servlet (or DefaultServlet) is a special servlet provided with Tomcat that is called when no other suitable page is found in a particular folder. The DefaultServlet serves static resour...Rule Medium Severity -
The vCenter ESX Agent Manager service debug parameter must be disabled.
Information needed by an attacker to begin looking for possible vulnerabilities in a web server includes any information about the web server and plug-ins or modules being used. When debugging or t...Rule Medium Severity -
The vCenter ESX Agent Manager service must disable "ALLOW_BACKSLASH".
When Tomcat is installed behind a proxy configured to only allow access to certain contexts (web applications), an HTTP request containing "/\../" may allow attackers to work around the proxy restr...Rule Medium Severity
Node 2
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