Red Hat Enterprise Linux 7 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must be configured so that the file integrity tool is configured to verify Access Control Lists (ACLs).
<VulnDiscussion>ACLs can provide permissions beyond those permitted through the file mode and must be verified by file integrity tools.</V...Rule Low Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must be configured so that the file integrity tool is configured to verify extended attributes.
<VulnDiscussion>Extended attributes in file systems are used to contain arbitrary data and file metadata with security implications.</Vuln...Rule Low Severity -
SRG-OS-000480-GPOS-00227
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must use a file integrity tool that is configured to use FIPS 140-2 approved cryptographic hashes for validating file contents and directories.
<VulnDiscussion>File integrity tools use cryptographic hashes for verifying file contents and directories have not been altered. These hashes...Rule Medium Severity -
SRG-OS-000364-GPOS-00151
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must not allow removable media to be used as the boot loader unless approved.
<VulnDiscussion>Malicious users with removable boot media can gain access to a system configured to use removable media as the boot loader. I...Rule Medium Severity -
SRG-OS-000095-GPOS-00049
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must not have the telnet-server package installed.
<VulnDiscussion>It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission ob...Rule High Severity -
SRG-OS-000038-GPOS-00016
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must be configured so that auditing is configured to produce records containing information to establish what type of events occurred, where the events occurred, the source of the events, and the outcome of the events. These audit records must also identify individual identities of group account users.
<VulnDiscussion>Without establishing what type of events occurred, it would be difficult to establish, correlate, and investigate the events ...Rule Medium Severity -
SRG-OS-000046-GPOS-00022
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must shut down upon audit processing failure, unless availability is an overriding concern. If availability is a concern, the system must alert the designated staff (System Administrator [SA] and Information System Security Officer [ISSO] at a minimum) in the event of an audit processing failure.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-OS-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must be configured to off-load audit logs onto a different system or storage media from the system being audited.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must take appropriate action when the remote logging buffer is full.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Medium Severity -
SRG-OS-000342-GPOS-00133
<GroupDescription></GroupDescription>Group -
The Red Hat Enterprise Linux operating system must label all off-loaded audit logs before sending them to the central log server.
<VulnDiscussion>Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...Rule Medium Severity
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