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XCCDF
Red Hat Ansible Automation Controller Application Server Security Technical Implementation Guide
Red Hat Ansible Automation Controller Application Server Security Technical Implementation Guide
An XCCDF Benchmark
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16 rules organized in 16 groups
SRG-APP-000001-AS-000001
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must limit the number of concurrent sessions to an organization-defined number for all accounts and/or account types.
Medium Severity
<VulnDiscussion>Application management includes the ability to control the number of sessions that utilize an application by all accounts and/or account types. Limiting the number of allowed sessions is helpful in limiting risks related to denial-of-service attacks. Automation Controllers host and expose business logic and application processes. Automation Controller limits the maximum number of concurrent sessions in a manner that affects the entire application server or on an individual application basis. The settings must follow DOD-recommended values, but the settings should be configurable to allow for future DOD direction. While the DOD will specify recommended values, the values can be adjusted to accommodate the operational requirement of a given system. Satisfies: SRG-APP-000001-AS-000001, SRG-APP-000295-AS-000263</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000014-AS-000009
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must use encryption strength in accordance with the categorization of the management data during remote access management sessions.
Medium Severity
<VulnDiscussion>Remote management access is accomplished by leveraging common communication protocols and establishing a remote connection to the application server via a network for the purposes of managing Automation Controller. If cryptography is not used, then the session data traversing the remote connection could be intercepted and compromised. Automation Controller is accessed via standard HTTP (redirect)/HTTPS on standard ports, provided by NGINX. A self-signed certificate/key is installed by default; however, a user can provide a locally appropriate certificate and key per their organizational policy. SSL/TLS algorithm support is configured in the /etc./nginx/nginx.conf configuration file. Satisfies: SRG-APP-000014-AS-000009, SRG-APP-000142-AS-000014, SRG-APP-000172-AS-000120, SRG-APP-000441-AS-000258, SRG-APP-000442-AS-000259</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000015-AS-000010
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must implement cryptography mechanisms to protect the integrity of information.
High Severity
<VulnDiscussion>Encryption is critical for protection of remote access sessions. If encryption is not being used for integrity, malicious users may gain the ability to modify Automation Controller configuration. The use of cryptography for ensuring integrity of remote access sessions mitigates that risk. Automation Controller utilizes a web management interface and scripted commands when allowing remote access. Web access requires the use of TLS and scripted access requires using SSH or some other form of approved cryptography. Automation Controller must have the ability to enable a secure remote admin capability. FIPS 140-2 approved TLS versions must be enabled and non-FIPS-approved SSL versions must be disabled. Automation Controller requires the use of Red Hat Enterprise Linux as an operating system and its underlying FIPS validated cryptographic modules to ensure it meets FIPS 140-2 criteria. Satisfies: SRG-APP-000015-AS-000010, SRG-APP-000179-AS-000129, SRG-APP-000224-AS-000152, SRG-APP-000231-AS-000133, SRG-APP-000231-AS-000156, SRG-APP-000416-AS-000140, SRG-APP-000428-AS-000265, SRG-APP-000429-AS-000157, SRG-APP-000439-AS-000274, SRG-APP-000440-AS-000167, SRG-APP-000514-AS-000136</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000068-AS-000035
1 Rule
<GroupDescription></GroupDescription>
The Automation Controller management interface must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system.
Medium Severity
<VulnDiscussion>Automation Controller is required to display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system management interface, providing privacy and security notices consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance that states that: (i) users are accessing a U.S. Government information system; (ii) system usage may be monitored, recorded, and subject to audit; (iii) unauthorized use of the system is prohibited and subject to criminal and civil penalties; and (iv) the use of the system indicates consent to monitoring and recording. System use notification messages can be implemented in the form of warning banners displayed when individuals log on to the information system. System use notification is intended only for information system access including an interactive logon interface with a human user, and is not required when an interactive interface does not exist. Automation Controller supports displaying the Standard Mandatory DOD Notice and Consent Banner prior to logging in via the web console. Satisfies: SRG-APP-000068-AS-000035, SRG-APP-000069-AS-000036</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000080-AS-000045
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must use external log providers that can collect user activity logs in independent, protected repositories to prevent modification or repudiation.
Medium Severity
<VulnDiscussion>Automation Controller must be configured to use external logging to compile log records from multiple components within the server. The events occurring must be time-correlated in order to conduct accurate forensic analysis. In addition, the correlation must meet certain tolerance criteria. For instance, DOD may define that the time stamps of different logged events must not differ by any amount greater than ten seconds. Automation Controller must utilize an external logging tool that provides this capability. Satisfies: SRG-APP-000080-AS-000045, SRG-APP-000086-AS-000048, SRG-APP-000108-AS-000067, SRG-APP-000125-AS-000084, SRG-APP-000181-AS-000255, SRG-APP-000358-AS-000064, SRG-APP-000505-AS-000230, SRG-APP-000506-AS-000231, SRG-APP-000515-AS-000203</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000109-AS-000068
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must allocate log record storage capacity and shut down by default upon log failure (unless availability is an overriding concern).
Medium Severity
<VulnDiscussion>It is critical that when a system is at risk of failing to process logs, it detects and takes action to mitigate the failure. Log processing failures include software/hardware errors, failures in the log capturing mechanisms, and log storage capacity being reached or exceeded. During a failure, the application server must be configured to shut down unless the application server is part of a high availability system. When availability is an overriding concern, other approved actions in response to a log failure are as follows: (i) If the failure was caused by the lack of log record storage capacity, the application must continue generating log records if possible (automatically restarting the log service if necessary), overwriting the oldest log records in a first-in-first-out manner. (ii) If log records are sent to a centralized collection server and communication with this server is lost or the server fails, the application must queue log records locally until communication is restored or until the log records are retrieved manually. Upon restoration of the connection to the centralized collection server, action must be taken to synchronize the local log data with the collection server. Satisfies: SRG-APP-000109-AS-000068, SRG-APP-000357-AS-000038</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000109-AS-000070
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must be configured to fail over to another system in the event of log subsystem failure.
Medium Severity
<VulnDiscussion>Automation Controller hosts must be capable of failing over to another Automation Controller host which can handle application and logging functions upon detection of an application log processing failure. This will allow continual operation of the application and logging functions while minimizing the loss of operation for the users and loss of log data. Satisfies: SRG-APP-000109-AS-000070, SRG-APP-000225-AS-000154, SRG-APP-000435-AS-000069</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000118-AS-000078
1 Rule
<GroupDescription></GroupDescription>
Automation Controller's log files must be accessible by explicitly defined privilege.
Medium Severity
<VulnDiscussion>A failure of the confidentiality of Automation Controller log files would enable an attacker to identify key information about the system that they might not otherwise be able to obtain that would enable them to enumerate more information to enable escalation or lateral movement. Satisfies: SRG-APP-000118-AS-000078, SRG-APP-000119-AS-000079, SRG-APP-000120-AS-000080, SRG-APP-000121-AS-000081, SRG-APP-000122-AS-000082, SRG-APP-000123-AS-000083, SRG-APP-000267-AS-000170</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000133-AS-000093
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must be capable of reverting to the last known good configuration in the event of failed installations and upgrades.
Medium Severity
<VulnDiscussion>Any changes to the components of Automation Controller can have significant effects on the overall security of the system. In order to ensure a prompt response to failed application installations and application server upgrades, Automation Controller must provide an automated rollback capability that allows Automation Controller to be restored to a previous known good configuration state prior to the application installation or application server upgrade.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000148-AS-000101
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must be configured to use an enterprise user management system.
Medium Severity
<VulnDiscussion>Unauthenticated application servers render the organization subject to exploitation. Therefore, application servers must be uniquely identified and authenticated to prevent unauthorized access. Satisfies: SRG-APP-000148-AS-000101, SRG-APP-000149-AS-000102, SRG-APP-000151-AS-000103, SRG-APP-000177-AS-000126, SRG-APP-000389-AS-000253, SRG-APP-000390-AS-000254, SRG-APP-000391-AS-000239, SRG-APP-000392-AS-000240, SRG-APP-000400-AS-000246, SRG-APP-000401-AS-000243, SRG-APP-000402-AS-000247, SRG-APP-000403-AS-000248, SRG-APP-000404-AS-000249, SRG-APP-000405-AS-000250</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000153-AS-000104
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must be configured to authenticate users individually, prior to using a group authenticator.
Medium Severity
<VulnDiscussion>Default superuser accounts, such as "root", are considered group authenticators. In the case of Automation Controller this is the "admin" account.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000172-AS-000121
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must utilize encryption when using LDAP for authentication.
Medium Severity
<VulnDiscussion>To avoid access with malicious intent, passwords will need to be protected at all times. This includes transmission where passwords must be encrypted for security.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000290-AS-000174
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must use cryptographic mechanisms to protect the integrity of log tools.
Medium Severity
<VulnDiscussion>Protecting the integrity of the tools used for logging purposes is a critical step in ensuring the integrity of log data. Log data includes all information (e.g., log records, log settings, and log reports) needed to successfully log information system activity. It is not uncommon for attackers to replace the log tools or inject code into the existing tools for the purpose of providing the capability to hide or erase system activity from the logs. To address this risk, log tools must be cryptographically signed in order to provide the capability to identify when the log tools have been modified, manipulated, or replaced. An example is a checksum hash of the file or files. Automation Controller server log tools must use cryptographic mechanisms to protect the integrity of the tools or allow cryptographic protection mechanisms to be applied to their tools.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000371-AS-000077
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must compare internal application server clocks at least every 24 hours with an authoritative time source.
Medium Severity
<VulnDiscussion>When conducting forensic analysis and investigating system events, it is critical that timestamps accurately reflect the time of application events. If timestamps are not deemed to be accurate, the integrity of the forensic analysis and the associated determinations are at stake. This leaves the organization and the system vulnerable to intrusions. Satisfies: SRG-APP-000371-AS-000077, SRG-APP-000372-AS-000212</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000427-AS-000264
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must only allow the use of DOD PKI-established certificate authorities for verification of the establishment of protected sessions.
Medium Severity
<VulnDiscussion>An untrusted source may leave the system vulnerable to issues such as unauthorized access, reduced data integrity, loss of confidentiality, etc. Satisfies: SRG-APP-000427-AS-000264, SRG-APP-000514-AS-000137</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
SRG-APP-000456-AS-000266
1 Rule
<GroupDescription></GroupDescription>
Automation Controller must install security-relevant software updates within the time period directed by an authoritative source (e.g. IAVM, CTOs, DTMs, and STIGs).
Medium Severity
<VulnDiscussion>Security relevant software updates must be installed within the timeframes directed by an authoritative source in order to maintain the integrity and confidentiality of the system and its organizational assets.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>