II - Mission Support Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000480
<GroupDescription></GroupDescription>Group -
Reserved UIDs 0-99 must only be used by system accounts.
<VulnDiscussion>If a user is assigned a UID that is in the reserved range, even if it is not presently in use, security exposures can arise i...Rule Medium Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
Duplicate user names must not exist.
<VulnDiscussion>If a user is assigned a duplicate user name, it will create and have access to files with the first UID for that username in ...Rule Medium Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
Duplicate group names must not exist.
<VulnDiscussion>If a group is assigned a duplicate group name, it will create and have access to files with the first GID for that group in g...Rule Medium Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
User .netrc files must not exist.
<VulnDiscussion>The .netrc file presents a significant security risk since it stores passwords in unencrypted form.</VulnDiscussion><...Rule Medium Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
The system must not allow users to configure .forward files.
<VulnDiscussion>Use of the .forward file poses a security risk in that sensitive data may be inadvertently transferred outside the organizati...Rule Medium Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
World-writable files must not exist.
<VulnDiscussion>Data in world-writable files can be read, modified, and potentially compromised by any user on the system. World-writable fil...Rule Medium Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
All valid SUID/SGID files must be documented.
<VulnDiscussion>There are valid reasons for SUID/SGID programs, but it is important to identify and review such programs to ensure they are l...Rule Low Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
The operating system must have no unowned files.
<VulnDiscussion>A new user who is assigned a deleted user's user ID or group ID may then end up owning these files, and thus have more access...Rule Medium Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
The operating system must have no files with extended attributes.
<VulnDiscussion>Attackers or malicious users could hide information, exploits, etc. in extended attribute areas. Since extended attributes ar...Rule Low Severity -
SRG-OS-000480
<GroupDescription></GroupDescription>Group -
The root account must be the only account with GID of 0.
<VulnDiscussion>All accounts with a GID of 0 have root group privileges and must be limited to the group account only.</VulnDiscussion>...Rule Medium Severity
Node 2
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