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VMware vSphere 7.0 vCenter Appliance STS Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000001-WSR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must limit the number of concurrent connections permitted.

    &lt;VulnDiscussion&gt;Resource exhaustion can occur when an unlimited number of concurrent requests are allowed on a website, facilitating a denial...
    Rule Medium Severity
  • SRG-APP-000001-WSR-000001

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must limit the maximum size of a POST request.

    &lt;VulnDiscussion&gt;The "maxPostSize" value is the maximum size in bytes of the POST that will be handled by the container FORM URL parameter par...
    Rule Medium Severity
  • SRG-APP-000001-WSR-000002

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must protect cookies from cross-site scripting (XSS).

    &lt;VulnDiscussion&gt;Cookies are a common way to save session state over the HTTP(S) protocol. If an attacker can compromise session data stored i...
    Rule Medium Severity
  • SRG-APP-000016-WSR-000005

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must record user access in a format that enables monitoring of remote access.

    &lt;VulnDiscussion&gt;Remote access can be exploited by an attacker to compromise the server. By recording all remote access activities, it will be...
    Rule Medium Severity
  • SRG-APP-000089-WSR-000047

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must generate log records during Java startup and shutdown.

    &lt;VulnDiscussion&gt;Logging must be started as soon as possible when a service starts and as late as possible when a service is stopped. Many for...
    Rule Medium Severity
  • SRG-APP-000119-WSR-000069

    <GroupDescription></GroupDescription>
    Group
  • Security Token Service log files must only be modifiable by privileged users.

    &lt;VulnDiscussion&gt;Log data is essential in the investigation of events. The accuracy of the information is always pertinent. One of the first s...
    Rule Medium Severity
  • SRG-APP-000131-WSR-000051

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service application files must be verified for their integrity.

    &lt;VulnDiscussion&gt;Verifying the Security Token Service application code is unchanged from its shipping state is essential for file validation a...
    Rule Medium Severity
  • SRG-APP-000131-WSR-000073

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must only run one webapp.

    &lt;VulnDiscussion&gt;VMware ships the Security Token Service on the vCenter Server Appliance (VCSA) with one webapp, in "ROOT.war". Any other ".wa...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000015

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must not be configured with unused realms.

    &lt;VulnDiscussion&gt;The Security Token Service performs user authentication at the application level and not through Tomcat. To eliminate unneces...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000075

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must be configured to limit access to internal packages.

    &lt;VulnDiscussion&gt;The "package.access" entry in the "catalina.properties" file implements access control at the package level. When properly co...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000081

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must have Multipurpose Internet Mail Extensions (MIME) that invoke operating system shell programs disabled.

    &lt;VulnDiscussion&gt;MIME mappings tell the Security Token Service what type of program various file types and extensions are and what external ut...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000083

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must have mappings set for Java servlet pages.

    &lt;VulnDiscussion&gt;Resource mapping is the process of tying a particular file type to a process in the web server that can serve that type of fi...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000085

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must not have the Web Distributed Authoring (WebDAV) servlet installed.

    &lt;VulnDiscussion&gt;WebDAV is an extension to the HTTP protocol that, when developed, was meant to allow users to create, change, and move docume...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000086

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must be configured with memory leak protection.

    &lt;VulnDiscussion&gt;The Java Runtime environment can cause a memory leak or lock files under certain conditions. Without memory leak protection, ...
    Rule Medium Severity
  • SRG-APP-000141-WSR-000087

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must not have any symbolic links in the web content directory tree.

    &lt;VulnDiscussion&gt;A web server is designed to deliver content and execute scripts or applications on the request of a client or user. Containin...
    Rule Medium Severity
  • SRG-APP-000211-WSR-000030

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service directory tree must have permissions in an out-of-the-box state.

    &lt;VulnDiscussion&gt;As a rule, accounts on a web server are to be kept to a minimum. Only administrators, web managers, developers, auditors, and...
    Rule Medium Severity
  • SRG-APP-000225-WSR-000140

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must fail to a known safe state if system initialization fails, shutdown fails, or aborts fail.

    &lt;VulnDiscussion&gt;Determining a safe state for failure and weighing that against a potential denial of service for users depends on what type o...
    Rule Medium Severity
  • SRG-APP-000246-WSR-000149

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must limit the number of allowed connections.

    &lt;VulnDiscussion&gt;Limiting the number of established connections to the Security Token Service is a basic denial-of-service protection. Servers...
    Rule Medium Severity
  • SRG-APP-000251-WSR-000157

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must set "URIEncoding" to UTF-8.

    &lt;VulnDiscussion&gt;Invalid user input occurs when a user inserts data or characters into a hosted application's data entry field and the hosted ...
    Rule Medium Severity
  • SRG-APP-000251-WSR-000157

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must use the "setCharacterEncodingFilter" filter.

    &lt;VulnDiscussion&gt;Invalid user input occurs when a user inserts data or characters into a hosted application's data entry field and the hosted ...
    Rule Medium Severity
  • SRG-APP-000266-WSR-000142

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must set the welcome-file node to a default web page.

    &lt;VulnDiscussion&gt;Enumeration techniques, such as Uniform Resource Locator (URL) parameter manipulation, rely on being able to obtain informati...
    Rule Medium Severity
  • SRG-APP-000266-WSR-000142

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must not show directory listings.

    &lt;VulnDiscussion&gt;Enumeration techniques, such as Uniform Resource Locator (URL) parameter manipulation, rely on being able to obtain informati...
    Rule Medium Severity
  • SRG-APP-000266-WSR-000159

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must be configured to not show error reports.

    &lt;VulnDiscussion&gt;Web servers will often display error messages to client users, displaying enough information to aid in the debugging of the e...
    Rule Medium Severity
  • SRG-APP-000266-WSR-000160

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must not enable support for TRACE requests.

    &lt;VulnDiscussion&gt;"TRACE" is a technique for a user to request internal information about Tomcat. This is useful during product development but...
    Rule Medium Severity
  • SRG-APP-000266-WSR-000160

    <GroupDescription></GroupDescription>
    Group
  • The Security Token Service must have the debug option disabled.

    &lt;VulnDiscussion&gt;Information needed by an attacker to begin looking for possible vulnerabilities in a web server includes any information abou...
    Rule Medium Severity

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