All rsyslog-generated log files must have mode 0600 or less permissive.

From Oracle Linux 6 Security Technical Implementation Guide

Part of SRG-OS-000206

Associated with: CCI-001314

SV-65219r2_rule All rsyslog-generated log files must have mode 0600 or less permissive.

Vulnerability discussion

Log files can contain valuable information regarding system configuration. If the system log files are not protected, unauthorized users could change the logged data, eliminating their forensic value.

Check content

The file permissions for all log files written by rsyslog should be set to 600, or more restrictive. These log files are determined by the second part of each Rule line in "/etc/rsyslog.conf" and typically all appear in "/var/log". For each log file [LOGFILE] referenced in "/etc/rsyslog.conf", run the following command to inspect the file's permissions: $ ls -l [LOGFILE] The permissions should be 600, or more restrictive. Some log files referenced in /etc/rsyslog.conf may be created by other programs and may require exclusion from consideration. If the permissions are not correct, this is a finding.

Fix text

The file permissions for all log files written by rsyslog should be set to 600, or more restrictive. These log files are determined by the second part of each Rule line in "/etc/rsyslog.conf" and typically all appear in "/var/log". For each log file [LOGFILE] referenced in "/etc/rsyslog.conf", run the following command to inspect the file's permissions: $ ls -l [LOGFILE] If the permissions are not 600 or more restrictive, run the following command to correct this: # chmod 0600 [LOGFILE]

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