I - Mission Critical Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All SLEM 5 files and directories must have a valid group owner.
<VulnDiscussion>Files without a valid group owner may be unintentionally inherited if a group is assigned the same Group Identifier (GID) as ...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All SLEM 5 local interactive user home directories must be group-owned by the home directory owner's primary group.
<VulnDiscussion>If the Group Identifier (GID) of a local interactive user's home directory is not the same as the primary GID of the user, th...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
All SLEM 5 world-writable directories must be group-owned by root, sys, bin, or an application group.
<VulnDiscussion>If a world-writable directory has the sticky bit set and is not group-owned by a privileged Group Identifier (GID), unauthori...Rule Medium Severity -
SRG-OS-000138-GPOS-00069
<GroupDescription></GroupDescription>Group -
The sticky bit must be set on all SLEM 5 world-writable directories.
<VulnDiscussion>Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...Rule Medium Severity -
SRG-OS-000206-GPOS-00084
<GroupDescription></GroupDescription>Group -
SLEM 5 must prevent unauthorized users from accessing system error messages.
<VulnDiscussion>Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...Rule Medium Severity -
SRG-OS-000205-GPOS-00083
<GroupDescription></GroupDescription>Group -
SLEM 5 must generate error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.
<VulnDiscussion>Any operating system providing too much information in error messages risks compromising the data and security of the structu...Rule Medium Severity -
SRG-OS-000096-GPOS-00050
<GroupDescription></GroupDescription>Group -
SLEM 5 must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services as defined in the Ports, Protocols, and Services Management (PPSM) Category Assignments List (CAL) and vulnerability assessments.
<VulnDiscussion>To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embeddi...Rule Medium Severity -
SRG-OS-000355-GPOS-00143
<GroupDescription></GroupDescription>Group -
SLEM 5 clock must, for networked systems, be synchronized to an authoritative DOD time source at least every 24 hours.
<VulnDiscussion>Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SLEM 5 must not have network interfaces in promiscuous mode unless approved and documented.
<VulnDiscussion>Network interfaces in promiscuous mode allow for the capture of all network traffic visible to the system. If unauthorized in...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
SLEM 5 must not forward Internet Protocol version 4 (IPv4) source-routed packets.
<VulnDiscussion>Source-routed packets allow the source of the packet to suggest that routers forward the packet along a different path than c...Rule Medium Severity
Node 2
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