III - Administrative Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
The Photon operating systems must enforce a 90-day maximum password lifetime restriction.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the ...Rule Medium Severity -
SRG-OS-000077-GPOS-00045
<GroupDescription></GroupDescription>Group -
The Photon operating system must prohibit password reuse for a minimum of five generations.
<VulnDiscussion>Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...Rule Medium Severity -
SRG-OS-000078-GPOS-00046
<GroupDescription></GroupDescription>Group -
The Photon operating system must enforce a minimum 15-character password length.
<VulnDiscussion>The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...Rule Medium Severity -
SRG-OS-000080-GPOS-00048
<GroupDescription></GroupDescription>Group -
The Photon operating system must require authentication upon booting into single-user and maintenance modes.
<VulnDiscussion>If the system does not require authentication before it boots into single-user mode, anyone with console access to the system...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
The Photon operating system must disable unnecessary kernel modules.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
The Photon operating system must not have duplicate User IDs (UIDs).
<VulnDiscussion>To ensure accountability and prevent unauthenticated access, organizational users must be uniquely identified and authenticat...Rule Medium Severity -
SRG-OS-000120-GPOS-00061
<GroupDescription></GroupDescription>Group -
The Photon operating system must use mechanisms meeting the requirements of applicable federal laws, Executive orders, directives, policies, regulations, standards, and guidance for authentication to a cryptographic module.
<VulnDiscussion>Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be r...Rule Medium Severity -
SRG-OS-000138-GPOS-00069
<GroupDescription></GroupDescription>Group -
The Photon operating system must restrict access to the kernel message buffer.
<VulnDiscussion>Restricting access to the kernel message buffer limits access only to root. This prevents attackers from gaining additional s...Rule Medium Severity -
SRG-OS-000142-GPOS-00071
<GroupDescription></GroupDescription>Group -
The Photon operating system must be configured to use TCP syncookies.
<VulnDiscussion>A TCP SYN flood attack can cause a Denial of Service (DOS) by filling a system's TCP connection table with connections in the...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
<GroupDescription></GroupDescription>Group -
The Photon operating system must terminate idle Secure Shell (SSH) sessions after 15 minutes.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule Medium Severity
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