Apache Server 2.4 Windows Site Security Technical Implementation Guide

This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DoD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: [email protected]

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Version / Release: V1R2

Published: 2019-12-19

Updated At: 2020-01-27 23:26:08

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    Vuln Rule Version CCI Severity Title Description Status Finding Details Comments
    SV-102573r1_rule AS24-W2-000010 CCI-000054 MEDIUM The Apache web server must limit the number of allowed simultaneous session requests. Web server management includes the ability to control the number of users and user sessions that utilize a web server. Limiting the number of allowed users and sessions per user is helpful in limiting risks related to several types of denial-of-service (D
    SV-102575r1_rule AS24-W2-000020 CCI-000054 MEDIUM The Apache web server must perform server-side session management. Session management is the practice of protecting the bulk of the user authorization and identity information. Storing of this data can occur on the client system or on the server. When the session information is stored on the client, the session ID, alon
    SV-102583r1_rule AS24-W2-000090 CCI-000130 MEDIUM The Apache web server must produce log records containing sufficient information to establish what type of events occurred. Web server logging capability is critical for accurate forensic analysis. Without sufficient and accurate information, a correct replay of the events cannot be determined. Ascertaining the correct type of event that occurred is important during forensic
    SV-102591r1_rule AS24-W2-000240 CCI-000381 MEDIUM The Apache web server must not perform user management for hosted applications. User management and authentication can be an essential part of any application hosted by the web server. Along with authenticating users, the user management function must perform several other tasks such as password complexity, locking users after a conf
    SV-102593r1_rule AS24-W2-000300 CCI-000381 MEDIUM The Apache web server must have resource mappings set to disable the serving of certain file types. Resource mapping is the process of tying a particular file type to a process in the web server that can serve that type of file to a requesting client and to identify which file types are not to be delivered to a client. By not specifying which files can
    SV-102595r1_rule AS24-W2-000310 CCI-000381 MEDIUM The Apache web server must allow the mappings to unused and vulnerable scripts to be removed. Scripts allow server-side processing on behalf of the hosted application user or as processes needed in the implementation of hosted applications. Removing scripts not needed for application operation or deemed vulnerable helps to secure the web server.
    SV-102599r2_rule AS24-W2-000350 CCI-000381 MEDIUM Users and scripts running on behalf of users must be contained to the document root or home directory tree of the Apache web server. A web server is designed to deliver content and execute scripts or applications on the request of a client or user. Containing user requests to files in the directory tree of the hosted web application and limiting the execution of scripts and application
    SV-102601r1_rule AS24-W2-000360 CCI-000382 MEDIUM The Apache web server must be configured to use a specified IP address and port. The web server must be configured to listen on a specified IP address and port. Without specifying an IP address and port for the web server to use, the web server will listen on all IP addresses available to the hosting server. If the web server has mult
    SV-102605r1_rule AS24-W2-000380 CCI-000185 MEDIUM The Apache web server must perform RFC 5280-compliant certification path validation. A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA). Certification path validation is necessary for a relying party to make an informed decision regarding acceptance of an end entit
    SV-102607r1_rule AS24-W2-000390 CCI-000186 MEDIUM Only authenticated system administrators or the designated PKI Sponsor for the Apache web server must have access to the Apache web servers private key. The web server's private key is used to prove the identity of the server to clients and securely exchange the shared secret key used to encrypt communications between the web server and clients. By gaining access to the private key, an attacker can prete
    SV-102615r1_rule AS24-W2-000430 CCI-001082 MEDIUM Apache web server accounts accessing the directory tree, the shell, or other operating system functions and utilities must only be administrative accounts. 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 resources to which these accounts have access must also b
    SV-102617r1_rule AS24-W2-000440 CCI-001082 HIGH Anonymous user access to the Apache web server application directories must be prohibited. To properly monitor the changes to the web server and the hosted applications, logging must be enabled. Along with logging being enabled, each record must properly contain the changes made and the names of those who made the changes. Allowing anonymous u
    SV-102619r1_rule AS24-W2-000450 CCI-001082 MEDIUM The Apache web server must separate the hosted applications from hosted Apache web server management functionality. The separation of user functionality from web server management can be accomplished by moving management functions to a separate IP address or port. To further separate the management functions, separate authentication methods and certificates should be u
    SV-102621r1_rule AS24-W2-000460 CCI-001185 MEDIUM The Apache web server must invalidate session identifiers upon hosted application user logout or other session termination. Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries from capturing and continuing to employ previously valid session IDs. Session IDs are tokens generated by web applications to uniquely identify an app
    SV-102623r1_rule AS24-W2-000470 CCI-001664 MEDIUM Cookies exchanged between the Apache web server and client, such as session cookies, must have security settings that disallow cookie access outside the originating Apache web server and hosted application. Cookies are used to exchange data between the web server and the client. Cookies, such as a session cookie, may contain session information and user credentials used to maintain a persistent connection between the user and the hosted application since HTT
    SV-102625r1_rule AS24-W2-000480 CCI-001664 MEDIUM The Apache web server must accept only system-generated session identifiers. Communication between a client and the web server is done using the HTTP protocol, but HTTP is a stateless protocol. To maintain a connection or session, a web server will generate a session identifier (ID) for each client session when the session is init
    SV-102627r1_rule AS24-W2-000500 CCI-001188 MEDIUM The Apache web server must generate unique session identifiers that cannot be reliably reproduced. Communication between a client and the web server is done using the HTTP protocol, but HTTP is a stateless protocol. To maintain a connection or session, a web server will generate a session identifier (ID) for each client session when the session is init
    SV-102631r1_rule AS24-W2-000520 CCI-001188 MEDIUM The Apache web server must generate a session ID using as much of the character set as possible to reduce the risk of brute force. Generating a session identifier (ID) that is not easily guessed through brute force is essential to deter several types of session attacks. By knowing the session ID, an attacker can hijack a user session that has already been user authenticated by the ho
    SV-102633r1_rule AS24-W2-000540 CCI-001190 MEDIUM The Apache web server must augment re-creation to a stable and known baseline. Making certain that the web server has not been updated by an unauthorized user is always a concern. Adding patches, functions, and modules that are untested and not part of the baseline opens the possibility for security risks. The web server must offer,
    SV-102635r1_rule AS24-W2-000560 CCI-001190 MEDIUM The Apache web server must be configured to provide clustering. The web server may host applications that display information that cannot be disrupted, such as information that is time critical or life threatening. In these cases, a web server that shuts down or ceases to be accessible when there is a failure is not a
    SV-102637r1_rule AS24-W2-000580 CCI-001084 MEDIUM The Apache web server document directory must be in a separate partition from the Apache web servers system files. A web server is used to deliver content on the request of a client. The content delivered to a client must be controlled, allowing only hosted application files to be accessed and delivered. To allow a client access to system files of any type is a major
    SV-102641r1_rule AS24-W2-000610 CCI-001312 MEDIUM The Apache web server must display a default hosted application web page, not a directory listing, when a requested web page cannot be found. The goal is to completely control the web user's experience in navigating any portion of the web document root directories. Ensuring all web content directories have at least the equivalent of an "index.html" file is a significant factor to accomplish thi
    SV-102643r1_rule AS24-W2-000620 CCI-001312 MEDIUM Warning and error messages displayed to clients must be modified to minimize the identity of the Apache web server, patches, loaded modules, and directory paths. Information needed by an attacker to begin looking for possible vulnerabilities in a web server includes any information about the web server, backend systems being accessed, and plug-ins or modules being used. Web servers will often display error messag
    SV-102645r1_rule AS24-W2-000630 CCI-001312 MEDIUM Debugging and trace information used to diagnose the Apache web server 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 trace information is enabled in a production web server, in
    SV-102647r1_rule AS24-W2-000640 CCI-002361 MEDIUM The Apache web server must set an absolute timeout for sessions. Leaving sessions open indefinitely is a major security risk. An attacker can easily use an already authenticated session to access the hosted application as the previously authenticated user. By closing sessions after an absolute period of time, the user
    SV-102649r2_rule AS24-W2-000650 CCI-002361 MEDIUM The Apache web server must set an inactive timeout for completing the TLS handshake. Leaving sessions open indefinitely is a major security risk. An attacker can easily use an already authenticated session to access the hosted application as the previously authenticated user. Timeouts for completing the TLS handshake, receiving the reque
    SV-102653r1_rule AS24-W2-000670 CCI-002314 MEDIUM The Apache web server must restrict inbound connections from nonsecure zones. Remote access to the web server is any access that communicates through an external, non-organization-controlled network. Remote access can be used to access hosted applications or to perform management functions. A web server can be accessed remotely an
    SV-102655r1_rule AS24-W2-000690 CCI-002235 MEDIUM Non-privileged accounts on the hosting system must only access Apache web server security-relevant information and functions through a distinct administrative account. By separating web server security functions from non-privileged users, roles can be developed that can then be used to administer the web server. Forcing users to change from a non-privileged account to a privileged account when operating on the web serve
    SV-102661r1_rule AS24-W2-000780 CCI-001762 MEDIUM The Apache web server must prohibit or restrict the use of nonsecure or unnecessary ports, protocols, modules, and/or services. Web servers provide numerous processes, features, and functionalities that use TCP/IP ports. Some of these processes may be deemed unnecessary or too unsecure to run on a production system. The web server must provide the capability to disable or deactiv
    SV-102663r1_rule AS24-W2-000800 CCI-002470 MEDIUM The Apache web server must only accept client certificates issued by DoD PKI or DoD-approved PKI Certification Authorities (CAs). Non-DoD-approved PKIs have not been evaluated to ensure that they have security controls and identity vetting procedures in place that are sufficient for DoD systems to rely on the identity asserted in the certificate. PKIs lacking sufficient security con
    SV-102667r1_rule AS24-W2-000830 CCI-001094 MEDIUM The Apache web server must be tuned to handle the operational requirements of the hosted application. A denial of service (DoS) can occur when the web server is so overwhelmed that it can no longer respond to additional requests. A web server not properly tuned may become overwhelmed and cause a DoS condition even with expected traffic from users. To avoi
    SV-102673r1_rule AS24-W2-000860 CCI-002418 MEDIUM The Apache web server cookies, such as session cookies, sent to the client using SSL/TLS must not be compressed. A cookie is used when a web server needs to share data with the client's browser. The data is often used to remember the client when the client returns to the hosted application at a later date. A session cookie is a special type of cookie used to remembe
    SV-102675r1_rule AS24-W2-000880 CCI-002418 MEDIUM Cookies exchanged between the Apache web server and the client, such as session cookies, must have cookie properties set to force the encryption of cookies. Cookies can be sent to a client using TLS/SSL to encrypt the cookies, but TLS/SSL is not used by every hosted application since the data being displayed does not require the encryption of the transmission. To safeguard against cookies, especially session
    SV-102677r1_rule AS24-W2-000890 CCI-000068 HIGH An Apache web server must maintain the confidentiality of controlled information during transmission through the use of an approved TLS version. Transport Layer Security (TLS) is a required transmission protocol for a web server hosting controlled information. The use of TLS provides confidentiality of data in transit between the web server and client. FIPS 140-2 approved TLS versions must be enab
    SV-102683r1_rule AS24-W2-000950 CCI-000366 LOW The Apache web server must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs. Configuring the web server to implement organization-wide security implementation guides and security checklists guarantees compliance with federal standards and establishes a common security baseline across the DoD that reflects the most restrictive secu
    SV-102943r1_rule AS24-W2-000870 CCI-002418 MEDIUM Cookies exchanged between the Apache web server and the client, such as session cookies, must have cookie properties set to prohibit client-side scripts from reading the cookie data. A cookie can be read by client-side scripts easily if cookie properties are not set properly. By allowing cookies to be read by the client-side scripts, information such as session identifiers could be compromised and used by an attacker who intercepts th