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CIS Ubuntu 14.04 LTS - 4.2.2.3 Ensure syslog-ng default file permissions configured

DevOps & Security
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Configure syslog-ng to create log files with restrictive permissions (0640)

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Source SKILL.md: https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Operating_Systems/Ubuntu/CIS_Ubuntu_Linux_14.04_LTS_Benchmark_v2.1.0/cis-ubuntu1404-v210-4-2-2-3/SKILL.md

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4.2.2.3 Ensure syslog-ng default file permissions configured (Scored)

Profile Applicability

  • Level 1 - Server
  • Level 1 - Workstation

Description

syslog-ng will create logfiles that do not already exist on the system. This setting controls what permissions will be applied to these newly created files.

Rationale

It is important to ensure that log files exist and have the correct permissions to ensure that sensitive syslog-ng data is archived and protected.

Audit Procedure

Run the following command and verify the perm option is 0640 or more restrictive:

grep ^options /etc/syslog-ng/syslog-ng.conf

Expected Result

options { chain_hostnames(off); flush_lines(0); perm(0640); stats_freq(3600); threaded(yes); };

Remediation

Edit the /etc/syslog-ng/syslog-ng.conf and set perm option to 0640 or more restrictive:

options { chain_hostnames(off); flush_lines(0); perm(0640); stats_freq(3600); threaded(yes); };

Default Value

Not explicitly configured by default.

References

  1. See the syslog-ng man pages for more information.

Profile

  • Level 1 - Server
  • Level 1 - Workstation