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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000164

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must enforce a minimum 15-character password length.

    &lt;VulnDiscussion&gt;The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...
    Rule Medium Severity
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  • SRG-APP-000165

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must prohibit password reuse for a minimum of five generations.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
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  • SRG-APP-000166

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must enforce password complexity by requiring that at least one uppercase character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-APP-000167

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must enforce password complexity by requiring that at least one lowercase character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-APP-000168

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must enforce password complexity by requiring that at least one numeric character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-APP-000169

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must enforce password complexity by requiring that at least one special character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-APP-000170

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must require the change of at least 15 of the total number of characters when passwords are changed.

    &lt;VulnDiscussion&gt;If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of pass...
    Rule Medium Severity
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  • SRG-APP-000171

    <GroupDescription></GroupDescription>
    Group
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  • For UEM server using password authentication, the application must store only cryptographic representations of passwords.

    &lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...
    Rule Medium Severity
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  • SRG-APP-000172

    <GroupDescription></GroupDescription>
    Group
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  • For UEM server using password authentication, the network element must use FIPS-validated SHA-2 or later protocol to protect the integrity of the password authentication process.

    &lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...
    Rule High Severity
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  • SRG-APP-000173

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must enforce 24 hours/1 day as the minimum password lifetime.

    &lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps prevent repeated password changes to defeat the password reuse or history enforce...
    Rule Medium Severity
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  • SRG-APP-000174

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must enforce a 60-day maximum password lifetime restriction.

    &lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed at specific intervals...
    Rule Medium Severity
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  • SRG-APP-000175

    <GroupDescription></GroupDescription>
    Group
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  • When using PKI-based authentication for user access, the UEM server must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.

    &lt;VulnDiscussion&gt;Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate n...
    Rule Medium Severity
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  • SRG-APP-000175

    <GroupDescription></GroupDescription>
    Group
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  • When the UEM server cannot establish a connection to determine the validity of a certificate, the server must be configured not to have the option to accept the certificate.

    &lt;VulnDiscussion&gt;When an UEM server accepts an unverified certificate, it may be trusting a malicious actor. For example, messages signed with...
    Rule Medium Severity
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  • SRG-APP-000176

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server, when using PKI-based authentication, must enforce authorized access to the corresponding private key.

    &lt;VulnDiscussion&gt;If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the ne...
    Rule Medium Severity
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  • SRG-APP-000177

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must map the authenticated identity to the individual user or group account for PKI-based authentication.

    &lt;VulnDiscussion&gt;Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the indivi...
    Rule Medium Severity
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  • SRG-APP-000178

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must obscure feedback of authentication information during the authentication process to protect the information from possible exploitation/use by unauthorized individuals.

    &lt;VulnDiscussion&gt;To prevent the compromise of authentication information such as passwords during the authentication process, the feedback fro...
    Rule Medium Severity
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  • SRG-APP-000179

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must use FIPS-validated SHA-2 or higher hash function to protect the integrity of keyed-hash message authentication code (HMAC), Key Derivation Functions (KDFs), Random Bit Generation, and hash-only applications.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Nonlocal ma...
    Rule High Severity
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  • SRG-APP-000191

    <GroupDescription></GroupDescription>
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  • The UEM server must be configured to provide a trusted communication channel between itself and authorized IT entities using [selection: -IPsec, -SSH, -mutually authenticated TLS, -mutually authenticated DTLS, -HTTPS].

    &lt;VulnDiscussion&gt;Examples of authorized IT entities: audit server, Active Directory, software update server, and database server. Without con...
    Rule Medium Severity
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  • SRG-APP-000191

    <GroupDescription></GroupDescription>
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  • The UEM server must be configured to invoke either host-OS functionality or server functionality to provide a trusted communication channel between itself and remote administrators that provides assured identification of its endpoints and protection of the communicated data from modification and disclosure using [selection:-IPsec,-SSH,-TLS, -HTTPS].

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule Medium Severity
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  • SRG-APP-000191

    <GroupDescription></GroupDescription>
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  • The UEM server must be configured to invoke either host-OS functionality or server functionality to provide a trusted communication channel between itself and managed devices that provides assured identification of its endpoints and protection of the communicated data from modification and disclosure using [selection:-TLS, -HTTPS].

    &lt;VulnDiscussion&gt;Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote...
    Rule Medium Severity
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  • SRG-APP-000219

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must protect the authenticity of communications sessions.

    &lt;VulnDiscussion&gt;Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false in...
    Rule Medium Severity
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  • SRG-APP-000220

    <GroupDescription></GroupDescription>
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  • The UEM server must invalidate session identifiers upon user logout or other session termination.

    &lt;VulnDiscussion&gt;Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries from capturing and co...
    Rule Medium Severity
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  • SRG-APP-000223

    <GroupDescription></GroupDescription>
    Group
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  • The UEM server must recognize only system-generated session identifiers.

    &lt;VulnDiscussion&gt;Applications utilize sessions and session identifiers to control application behavior and user access. If an attacker can gue...
    Rule Medium Severity
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  • SRG-APP-000224

    <GroupDescription></GroupDescription>
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  • The UEM server must generate unique session identifiers using a FIPS-validated Random Number Generator (RNG) based on the Deterministic Random Bit Generators (DRBG) algorithm.

    &lt;VulnDiscussion&gt;Sequentially generated session IDs can be easily guessed by an attacker. Employing the concept of randomness in the generatio...
    Rule High Severity
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  • SRG-APP-000225

    <GroupDescription></GroupDescription>
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  • The UEM server must fail to a secure state if system initialization fails, shutdown fails, or aborts fail.

    &lt;VulnDiscussion&gt;Failure to a known safe state helps prevent systems from failing to a state that may cause loss of data or unauthorized acces...
    Rule Medium Severity
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