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Crontab files must not have extended ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22386 GEN003090 SV-26534r1_rule ECLP-1 Medium
Description
To protect the integrity of scheduled system jobs and to prevent malicious modification to these jobs, crontab files must be secured. ACLs on crontab files may provide unauthorized access to the files.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2019-12-31

Details

Check Text ( C-27583r1_chk )
Check the permissions of the crontab files.
# ls -lL /var/spool/cron/crontabs/

If the permissions include a "+", the file has an extended ACL and this is a finding.

Fix Text (F-23775r1_fix)
Remove the extended ACL from the file.
# chmod A- [crontab file]