II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000324-GPOS-00125
Group -
The Photon operating system must enable symlink access control protection in the kernel.
By enabling the fs.protected_symlinks kernel parameter, symbolic links are permitted to be followed only when outside a sticky world-writable directory, or when the UID of the link and follower mat...Rule High Severity -
SRG-OS-000327-GPOS-00127
Group -
The Photon operating system must audit the execution of privileged functions.
Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious and...Rule Medium Severity -
SRG-OS-000329-GPOS-00128
Group -
The Photon operating system must automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes occur.
By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-forcing, is reduced. Limits are imposed by locking the a...Rule Medium Severity -
SRG-OS-000341-GPOS-00132
Group -
The Photon operating system must allocate audit record storage capacity to store audit records when audit records are not immediately sent to a central audit record storage facility.
Audit logs are most useful when accessible by date, rather than size. This can be accomplished through a combination of an audit log rotation and setting a reasonable number of logs to keep. This e...Rule Low Severity -
SRG-OS-000343-GPOS-00134
Group -
The Photon operating system must immediately notify the SA and ISSO when allocated audit record storage volume reaches 75 percent of the repository maximum audit record storage capacity.
If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to plan for audit record storage capacity expansion.Rule Low Severity -
SRG-OS-000366-GPOS-00153
Group -
The Photon operating system TDNF package management tool must cryptographically verify the authenticity of all software packages during installation.
Installation of any nontrusted software, patches, service packs, device drivers, or operating system components can significantly affect the overall security of the operating system. This requireme...Rule High Severity -
SRG-OS-000373-GPOS-00156
Group -
The Photon operating system must require users to reauthenticate for privilege escalation.
Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operating systems provide the capability to escalate a functional capability, ...Rule Medium Severity -
SRG-OS-000433-GPOS-00193
Group -
The Photon 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 nonexecutable regions of memory or in memory locations that are prohibited. Security safeguards employed to protect memory inclu...Rule Medium Severity -
SRG-OS-000437-GPOS-00194
Group -
The Photon operating system must remove all software components after updated versions have been installed.
Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by adversaries. Some information technology products may...Rule Medium Severity -
SRG-OS-000470-GPOS-00214
Group -
The Photon operating system must generate audit records when successful/unsuccessful logon attempts 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
Node 2
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