I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000141
<GroupDescription></GroupDescription>Group -
The web server must provide install options to exclude the installation of documentation, sample code, example applications, and tutorials.
<VulnDiscussion>Web server documentation, sample code, example applications, and tutorials may be an exploitable threat to a web server becau...Rule Medium Severity -
SRG-APP-000141
<GroupDescription></GroupDescription>Group -
Web server accounts not utilized by installed features (i.e., tools, utilities, specific services, etc.) must not be created and must be deleted when the web server feature is uninstalled.
<VulnDiscussion>When accounts used for web server features such as documentation, sample code, example applications, tutorials, utilities, an...Rule Medium Severity -
SRG-APP-000141
<GroupDescription></GroupDescription>Group -
The web server must provide install options to exclude installation of utility programs, services, plug-ins, and modules not necessary for operation.
<VulnDiscussion>Just as running unneeded services and protocols is a danger to the web server at the lower levels of the OSI model, running u...Rule Medium Severity -
SRG-APP-000141
<GroupDescription></GroupDescription>Group -
The web server must have Multipurpose Internet Mail Extensions (MIME) that invoke OS shell programs disabled.
<VulnDiscussion>Controlling what a user of a hosted application can access is part of the security posture of the web server. Any time a user...Rule Medium Severity -
SRG-APP-000141
<GroupDescription></GroupDescription>Group -
The web server must allow the mappings to unused and vulnerable scripts to be removed.
<VulnDiscussion>Scripts allow server side processing on behalf of the hosted application user or as processes needed in the implementation of...Rule Medium Severity -
SRG-APP-000141
<GroupDescription></GroupDescription>Group -
The web server must have resource mappings set to disable the serving of certain file types.
<VulnDiscussion>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
<GroupDescription></GroupDescription>Group -
The web server must have Web Distributed Authoring (WebDAV) disabled.
<VulnDiscussion>A web server can be installed with functionality that, just by its nature, is not secure. Web Distributed Authoring (WebDAV) ...Rule Medium Severity -
SRG-APP-000141
<GroupDescription></GroupDescription>Group -
The web server must protect system resources and privileged operations from hosted applications.
<VulnDiscussion>A web server may host one too many applications. Each application will need certain system resources and privileged operatio...Rule Medium Severity -
SRG-APP-000141
<GroupDescription></GroupDescription>Group -
Users and scripts running on behalf of users must be contained to the document root or home directory tree of the web server.
<VulnDiscussion>A web server is designed to deliver content and execute scripts or applications on the request of a client or user. Containi...Rule Medium Severity -
SRG-APP-000142
<GroupDescription></GroupDescription>Group -
The web server must be configured to use a specified IP address and port.
<VulnDiscussion>The web server must be configured to listen on a specified IP address and port. Without specifying an IP address and port fo...Rule Medium Severity -
SRG-APP-000172
<GroupDescription></GroupDescription>Group -
The web server must encrypt passwords during transmission.
<VulnDiscussion>Data used to authenticate, especially passwords, needs to be protected at all times, and encryption is the standard method fo...Rule Medium Severity -
SRG-APP-000175
<GroupDescription></GroupDescription>Group -
The web server must perform RFC 5280-compliant certification path validation.
<VulnDiscussion>A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA)...Rule Medium Severity -
SRG-APP-000176
<GroupDescription></GroupDescription>Group -
Only authenticated system administrators or the designated PKI Sponsor for the web server must have access to the web servers private key.
<VulnDiscussion>The web server's private key is used to prove the identity of the server to clients and securely exchange the shared secret k...Rule Medium Severity -
SRG-APP-000179
<GroupDescription></GroupDescription>Group -
The web server must use cryptographic modules that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance when encrypting stored data.
<VulnDiscussion>Encryption is only as good as the encryption modules utilized. Unapproved cryptographic module algorithms cannot be verified...Rule High Severity -
SRG-APP-000179
<GroupDescription></GroupDescription>Group -
The web server must use cryptographic modules that meet the requirements of applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance for such authentication.
<VulnDiscussion>Encryption is only as good as the encryption modules utilized. Unapproved cryptographic module algorithms cannot be verified ...Rule Medium Severity -
SRG-APP-000206
<GroupDescription></GroupDescription>Group -
A web server utilizing mobile code must meet DoD-defined mobile code requirements.
<VulnDiscussion>Mobile code in hosted applications allows the developer to add functionality and displays to hosted applications that are flu...Rule Medium Severity -
SRG-APP-000211
<GroupDescription></GroupDescription>Group -
Web server accounts accessing the directory tree, the shell, or other operating system functions and utilities must only be administrative accounts.
<VulnDiscussion>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-000211
<GroupDescription></GroupDescription>Group -
Anonymous user access to the web server application directories must be prohibited.
<VulnDiscussion>In order to properly monitor the changes to the web server and the hosted applications, logging must be enabled. Along with l...Rule Medium Severity -
SRG-APP-000211
<GroupDescription></GroupDescription>Group -
The web server must separate the hosted applications from hosted web server management functionality.
<VulnDiscussion>The separation of user functionality from web server management can be accomplished by moving management functions to a separ...Rule Medium Severity -
SRG-APP-000220
<GroupDescription></GroupDescription>Group -
The web server must invalidate session identifiers upon hosted application user logout or other session termination.
<VulnDiscussion>Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries from capturing and co...Rule Medium Severity -
SRG-APP-000223
<GroupDescription></GroupDescription>Group -
Cookies exchanged between the web server and client, such as session cookies, must have security settings that disallow cookie access outside the originating web server and hosted application.
<VulnDiscussion>Cookies are used to exchange data between the web server and the client. Cookies, such as a session cookie, may contain sessi...Rule Medium Severity -
SRG-APP-000223
<GroupDescription></GroupDescription>Group -
The web server must accept only system-generated session identifiers.
<VulnDiscussion>Communication between a client and the web server is done using the HTTP protocol, but HTTP is a stateless protocol. In order...Rule Medium Severity -
SRG-APP-000224
<GroupDescription></GroupDescription>Group -
The web server must generate a unique session identifier for each session using a FIPS 140-2 approved random number generator.
<VulnDiscussion>Communication between a client and the web server is done using the HTTP protocol, but HTTP is a stateless protocol. In order...Rule High Severity -
SRG-APP-000224
<GroupDescription></GroupDescription>Group -
The web server must generate unique session identifiers that cannot be reliably reproduced.
<VulnDiscussion>Communication between a client and the web server is done using the HTTP protocol, but HTTP is a stateless protocol. In order...Rule Medium Severity -
SRG-APP-000224
<GroupDescription></GroupDescription>Group -
The web server must generate a session ID long enough that it cannot be guessed through brute force.
<VulnDiscussion>Generating a session identifier (ID) that is not easily guessed through brute force is essential to deter several types of se...Rule Medium Severity
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