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Mainframe Product Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000001

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must limit the number of concurrent sessions to three for all accounts and/or account types.

    &lt;VulnDiscussion&gt;Application management includes the ability to control the number of users and user sessions that utilize an application. Lim...
    Rule Medium Severity
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  • SRG-APP-000002

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must conceal, via the session lock, information previously visible on the display with a publicly viewable image.

    &lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinit...
    Rule Medium Severity
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  • SRG-APP-000003

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must initiate a session lock after a 15-minute period of inactivity.

    &lt;VulnDiscussion&gt;A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinit...
    Rule Medium Severity
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  • SRG-APP-000004

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must provide the capability for users to directly initiate a session lock.

    &lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...
    Rule Medium Severity
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  • SRG-APP-000005

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must retain the session lock until the user reestablishes access using established identification and authentication procedures.

    &lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...
    Rule Medium Severity
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  • SRG-APP-000023

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must use an external security manager for all account management functions.

    &lt;VulnDiscussion&gt;Enterprise environments make application account management challenging and complex. A manual process for account management ...
    Rule Medium Severity
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  • SRG-APP-000024

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must automatically remove or disable temporary user accounts after 72 hours.

    &lt;VulnDiscussion&gt;If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain...
    Rule Medium Severity
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  • SRG-APP-000025

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must automatically disable accounts after 35 days of account inactivity.

    &lt;VulnDiscussion&gt;Attackers that are able to exploit an inactive account can potentially obtain and maintain undetected access to an applicatio...
    Rule Medium Severity
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  • SRG-APP-000026

    <GroupDescription></GroupDescription>
    Group
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  • The Mainframe Product must automatically audit account creation.

    &lt;VulnDiscussion&gt;Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-esta...
    Rule Medium Severity
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  • SRG-APP-000027

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must automatically audit account modification.

    &lt;VulnDiscussion&gt;Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of re-esta...
    Rule Medium Severity
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  • SRG-APP-000028

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must automatically audit account disabling actions.

    &lt;VulnDiscussion&gt;When application accounts are disabled, user accessibility is affected. Accounts are used for identifying individual applicat...
    Rule Medium Severity
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  • SRG-APP-000029

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must automatically audit account removal actions.

    &lt;VulnDiscussion&gt;When application accounts are removed, user accessibility is affected. Accounts are used for identifying individual applicati...
    Rule Medium Severity
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  • SRG-APP-000033

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must enforce approved authorizations for logical access to sensitive information and system resources in accordance with applicable access control policies.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
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  • SRG-APP-000033

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must enforce approved authorizations for security administrator access to sensitive information and system resources in accordance with applicable access control policies.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
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  • SRG-APP-000033

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must enforce approved authorizations for system programmer access to sensitive information and system resources in accordance with applicable access control policies.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule Medium Severity
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  • SRG-APP-000038

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must enforce approved authorizations for controlling the flow of information within the system based on site security plan information flow control policies.

    &lt;VulnDiscussion&gt;A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...
    Rule Medium Severity
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  • SRG-APP-000065

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must enforce the limit of three consecutive invalid logon attempts by a user during a 15 minute time period.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
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  • SRG-APP-000073

    <GroupDescription></GroupDescription>
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  • Mainframe Products scanning for malicious code must scan all media used for system maintenance prior to use.

    &lt;VulnDiscussion&gt;There are security-related issues arising from software brought into the information system specifically for diagnostic and r...
    Rule Medium Severity
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  • SRG-APP-000080

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must generate audit records when successful/unsuccessful attempts to access privileges occur.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000092

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  • The Mainframe Product must protect against an individual (or process acting on behalf of an individual) falsely denying having performed actions defined in the site security plan to be covered by non-repudiation.

    &lt;VulnDiscussion&gt;Without non-repudiation, it is impossible to positively attribute an action to an individual (or process acting on behalf of ...
    Rule Medium Severity
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  • SRG-APP-000086

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  • For Mainframe Products providing audit record aggregation, the Mainframe Product must compile audit records from mainframe components into a system-wide audit trail that is time-correlated with a tolerance for the relationship between time stamps of individual records in the audit trail in accordance with the site security plan.

    &lt;VulnDiscussion&gt;Without the ability to collate records based on the time when the events occurred, the ability to perform forensic analysis a...
    Rule Medium Severity
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  • SRG-APP-000089

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  • The Mainframe Product must provide audit record generation capability for DoD-defined auditable events within all application components.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
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  • SRG-APP-000090

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must allow only the information system security manager (ISSM) or individuals or roles appointed by the ISSM to select which auditable events are to be audited.

    &lt;VulnDiscussion&gt;Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel ma...
    Rule Medium Severity
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  • SRG-APP-000091

    <GroupDescription></GroupDescription>
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  • The Mainframe Product must initiate session auditing upon startup.

    &lt;VulnDiscussion&gt;If auditing is enabled late in the start-up process, the actions of some start-up processes may not be audited. Some audit sy...
    Rule Medium Severity
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  • SRG-APP-000095

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  • The Mainframe Product must produce audit records containing information to establish what type of events occurred.

    &lt;VulnDiscussion&gt;Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
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