VMware vSphere 7.0 vCenter Appliance EAM Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000001-WSR-000001
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ESX Agent Manager 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 -
SRG-APP-000001-WSR-000001
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ESX Agent Manager must limit the number of 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 -
SRG-APP-000001-WSR-000001
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ESX Agent Manager must limit the maximum size of a POST request.
The "maxPostSize" value is the maximum size in bytes of the POST that will be handled by the container FORM URL parameter parsing. Limit its size to reduce exposure to a denial-of-service attack. I...Rule Medium Severity -
SRG-APP-000001-WSR-000002
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SRG-APP-000016-WSR-000005
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ESX Agent Manager must record user access in a format that enables monitoring of remote access.
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 -
SRG-APP-000089-WSR-000047
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ESX Agent Manager must generate log records for system startup and shutdown.
Logging must be started as soon as possible when a service starts and as late as possible when a service is stopped. Many forms of suspicious actions can be detected by analyzing logs for unexpecte...Rule Medium Severity -
SRG-APP-000119-WSR-000069
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SRG-APP-000131-WSR-000051
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ESX Agent Manager application files must be verified for their integrity.
Verifying that ESX Agent Manager application code is unchanged from its shipping state is essential for file validation and nonrepudiation of the ESX Agent Manager. There is no reason the MD5 hash ...Rule Medium Severity -
SRG-APP-000131-WSR-000073
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SRG-APP-000141-WSR-000015
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ESX Agent Manager must not be configured with unsupported realms.
ESX Agent Manager performs authentication at the application level and not through Tomcat. To eliminate unnecessary features and ensure ESX Agent Manager remains in its shipping state, the lack of ...Rule Medium Severity -
SRG-APP-000141-WSR-000075
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SRG-APP-000141-WSR-000081
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ESX Agent Manager must have Multipurpose Internet Mail Extensions (MIMEs) that invoke operating system shell programs disabled.
MIME mappings tell ESX Agent Manager what type of program various file types and extensions are and what external utilities or programs are needed to execute the file type. By ensuring various shel...Rule Medium Severity -
SRG-APP-000141-WSR-000083
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SRG-APP-000141-WSR-000085
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ESX Agent Manager must not have the Web Distributed Authoring (WebDAV) servlet installed.
WebDAV is an extension to the HTTP protocol that, when developed, was meant to allow users to create, change, and move documents on a server, typically a web server or web share. WebDAV is not wide...Rule Medium Severity -
SRG-APP-000141-WSR-000086
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SRG-APP-000141-WSR-000087
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ESX Agent Manager must not have any symbolic links in the web content directory tree.
A web server is designed to deliver content and execute scripts or applications at the request of a client or user. Containing user requests to files in the directory tree of the hosted web applica...Rule Medium Severity -
SRG-APP-000211-WSR-000030
Group -
ESX Agent Manager directory tree must have permissions in an out-of-the-box state.
As a rule, accounts on a web server are to be kept to a minimum. Only administrators, web managers, developers, auditors, and web authors require accounts on the machine hosting the web server. The...Rule Medium Severity -
SRG-APP-000225-WSR-000140
Group -
ESX Agent Manager must fail to a known safe state if system initialization fails, shutdown fails, or aborts fail.
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. For the ESX Agent Manager, it i...Rule Medium Severity -
SRG-APP-000246-WSR-000149
Group -
ESX Agent Manager must limit the number of allowed connections.
Limiting the number of established connections to the ESX Agent Manager is a basic denial-of-service protection. Servers where the limit is too high or unlimited could run out of system resources a...Rule Medium Severity -
SRG-APP-000251-WSR-000157
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SRG-APP-000251-WSR-000157
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ESX Agent Manager must use 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 -
SRG-APP-000266-WSR-000142
Group -
ESX Agent Manager must set the welcome-file node to a default web page.
Enumeration techniques, such as URL parameter manipulation, rely on being able to obtain information about the web server's directory structure by locating directories without default pages. In thi...Rule Medium Severity -
SRG-APP-000266-WSR-000142
Group -
ESX Agent Manager must not show directory listings.
Enumeration techniques, such as URL parameter manipulation, rely on being able to obtain information about the web server's directory structure by locating directories without default pages. In thi...Rule Medium Severity -
SRG-APP-000266-WSR-000159
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ESX Agent Manager must be configured to show error pages with minimal information.
Web servers will often display error messages to client users, including enough information to aid in the debugging of the error. The information given back in error messages may display the web se...Rule Medium Severity -
SRG-APP-000266-WSR-000159
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SRG-APP-000266-WSR-000159
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ESX Agent Manager must hide the server version.
Web servers will often display error messages to client users, including enough information to aid in the debugging of the error. The information given back in error messages may display the web se...Rule Medium Severity -
SRG-APP-000266-WSR-000160
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SRG-APP-000266-WSR-000160
Group -
ESX Agent Manager must have the debug option 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 -
SRG-APP-000358-WSR-000163
Group -
Rsyslog must be configured to monitor and ship ESX Agent Manager log files.
ESX Agent Manager has a number of logs that must be offloaded from the originating system. This information can then be used for diagnostic, forensics, or other purposes relevant to ensuring the av...Rule Medium Severity -
SRG-APP-000380-WSR-000072
Group
Node 2
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