I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000001-WSR-000001
<GroupDescription></GroupDescription>Group -
VAMI must limit the number of simultaneous requests.
<VulnDiscussion>Denial of service (DoS) is one threat against web servers. Many DoS attacks attempt to consume web server resources in such a...Rule Medium Severity -
SRG-APP-000014-WSR-000006
<GroupDescription></GroupDescription>Group -
VAMI must be configured with FIPS 140-2 compliant ciphers for HTTPS connections.
<VulnDiscussion>Encryption of data in flight is an essential element of protecting information confidentiality. If a web server uses weak or ...Rule High Severity -
SRG-APP-000015-WSR-000014
<GroupDescription></GroupDescription>Group -
VAMI must use cryptography to protect the integrity of remote sessions.
<VulnDiscussion>Data exchanged between the user and the web server can range from static display data to credentials used to log in the hoste...Rule Medium Severity -
SRG-APP-000016-WSR-000005
<GroupDescription></GroupDescription>Group -
VAMI must be configured to monitor remote access.
<VulnDiscussion>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 -
VAMI must generate log records for system startup and shutdown.
<VulnDiscussion>Logging must be started as soon as possible when a service starts and when a service is stopped. Many forms of suspicious act...Rule Medium Severity -
SRG-APP-000095-WSR-000056
<GroupDescription></GroupDescription>Group -
VAMI must produce log records containing sufficient information to establish what type of events occurred.
<VulnDiscussion>After a security incident has occurred, investigators will often review log files to determine what happened. Understanding w...Rule Medium Severity -
SRG-APP-000118-WSR-000068
<GroupDescription></GroupDescription>Group -
VAMI log files must only be accessible by privileged users.
<VulnDiscussion>Log data is essential in the investigation of events. If log data were to become compromised, competent forensic analysis and...Rule Medium Severity -
SRG-APP-000125-WSR-000071
<GroupDescription></GroupDescription>Group -
The rsyslog must be configured to monitor VAMI logs.
<VulnDiscussion>For performance reasons, rsyslog file monitoring is preferred over configuring VAMI to send events to a syslog facility. With...Rule Medium Severity -
SRG-APP-000131-WSR-000051
<GroupDescription></GroupDescription>Group -
VAMI server binaries and libraries must be verified for their integrity.
<VulnDiscussion>Being able to verify that a patch, upgrade, certificate, etc., being added to the web server is unchanged from the producer o...Rule Medium Severity -
SRG-APP-000141-WSR-000075
<GroupDescription></GroupDescription>Group -
VAMI must only load allowed server modules.
<VulnDiscussion>A web server can provide many features, services, and processes. Some of these may be deemed unnecessary or too unsecure to r...Rule Medium Severity -
SRG-APP-000141-WSR-000081
<GroupDescription></GroupDescription>Group -
VAMI must have Multipurpose Internet Mail Extensions (MIME) that invoke operating system 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-WSR-000081
<GroupDescription></GroupDescription>Group -
VAMI must explicitly disable Multipurpose Internet Mail Extensions (MIME) mime mappings based on "Content-Type".
<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-WSR-000082
<GroupDescription></GroupDescription>Group -
VAMI must remove all mappings to unused scripts.
<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-WSR-000083
<GroupDescription></GroupDescription>Group -
VAMI 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-WSR-000085
<GroupDescription></GroupDescription>Group -
VAMI must not have the Web Distributed Authoring (WebDAV) servlet installed.
<VulnDiscussion>A web server can be installed with functionality that, by its nature, is not secure. WebDAV is an extension to the HTTP proto...Rule Medium Severity -
SRG-APP-000141-WSR-000086
<GroupDescription></GroupDescription>Group -
VAMI must prevent hosted applications from exhausting system resources.
<VulnDiscussion>Most of the attention to denial-of-service (DoS) attacks focuses on ensuring that systems and applications are not victims of...Rule Medium Severity -
SRG-APP-000176-WSR-000096
<GroupDescription></GroupDescription>Group -
VAMI must protect the keystore from unauthorized access.
<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-000246-WSR-000149
<GroupDescription></GroupDescription>Group -
VAMI must protect against or limit the effects of HTTP types of denial-of-service (DoS) attacks.
<VulnDiscussion>In UNIX and related computer operating systems, a file descriptor is an indicator used to access a file or other input/output...Rule Medium Severity -
SRG-APP-000251-WSR-000157
<GroupDescription></GroupDescription>Group -
VAMI must set the encoding for all text Multipurpose Internet Mail Extensions (MIME) types to UTF-8.
<VulnDiscussion>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 -
VAMI must disable directory browsing.
<VulnDiscussion>The goal is to completely control the web user's experience in navigating any portion of the web document root directories. E...Rule Medium Severity -
SRG-APP-000266-WSR-000159
<GroupDescription></GroupDescription>Group -
VAMI must not be configured to use "mod_status".
<VulnDiscussion>Any application providing too much information in error logs and in administrative messages to the screen risks compromising ...Rule Medium Severity -
SRG-APP-000266-WSR-000160
<GroupDescription></GroupDescription>Group -
VAMI must have debug logging disabled.
<VulnDiscussion>Information needed by an attacker to begin looking for possible vulnerabilities in a web server includes any information abou...Rule Medium Severity -
SRG-APP-000435-WSR-000147
<GroupDescription></GroupDescription>Group -
VAMI must be protected from being stopped by a nonprivileged user.
<VulnDiscussion>An attacker has at least two reasons to stop a web server. The first is to cause a denial of service, and the second is to pu...Rule Medium Severity -
SRG-APP-000439-WSR-000156
<GroupDescription></GroupDescription>Group -
VAMI must implement Transport Layer Security (TLS) 1.2 exclusively.
<VulnDiscussion>TLS is a required transmission protocol for a web server hosting controlled information. The use of TLS provides confidential...Rule Medium Severity -
SRG-APP-000516-WSR-000174
<GroupDescription></GroupDescription>Group -
VAMI must force clients to select the most secure cipher.
<VulnDiscussion>During a Transport Layer Security (TLS) session negotiation, when choosing a cipher during a handshake, normally the client'...Rule Medium Severity
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