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General Purpose Operating System Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000425

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  • The operating system must maintain the confidentiality and integrity of information during preparation for transmission.

    Information can be either unintentionally or maliciously disclosed or modified during preparation for transmission, for example, during aggregation, at protocol transformation points, and during pa...
    Rule Medium Severity
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  • SRG-OS-000426

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  • SRG-OS-000432

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  • The operating system must behave in a predictable and documented manner that reflects organizational and system objectives when invalid inputs are received.

    A common vulnerability of operating system is unpredictable behavior when invalid inputs are received. This requirement guards against adverse or unintended system behavior caused by invalid inputs...
    Rule Medium Severity
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  • SRG-OS-000433

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  • SRG-OS-000433

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  • The operating system must implement address space layout randomization to protect its memory from unauthorized code execution.

    Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations that are prohibited. Security safeguards employed to protect memory incl...
    Rule Medium Severity
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  • SRG-OS-000437

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  • SRG-OS-000445

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  • SRG-OS-000446

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  • The operating system must perform verification of the correct operation of security functions: upon system start-up and/or restart; upon command by a user with privileged access; and/or every 30 days.

    Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed. Security function is defined as the hardware, software, and/or firmwar...
    Rule Medium Severity
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  • SRG-OS-000447

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  • The operating system must shut down the information system, restart the information system, and/or notify the system administrator when anomalies in the operation of any security functions are discovered.

    If anomalies are not acted upon, security functions may fail to secure the system. Security function is defined as the hardware, software, and/or firmware of the information system responsible fo...
    Rule Medium Severity
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  • SRG-OS-000458

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  • The operating system must generate audit records when successful/unsuccessful attempts to access security objects occur.

    Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...
    Rule Medium Severity
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  • SRG-OS-000461

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  • SRG-OS-000462

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  • The operating system must generate audit records when successful/unsuccessful attempts to modify privileges occur.

    Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...
    Rule Medium Severity
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  • SRG-OS-000463

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