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The "at" daemon must not execute group-writable or world-writable programs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-988 GEN003360 SV-40411r1_rule DCSL-1 Medium
Description
If the "at" facility executes world-writable or group-writable programs, it is possible for the programs to be accidentally or maliciously changed or replaced without the owner's intent or knowledge. This would cause a system security breach.
STIG Date
SOLARIS 10 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE 2018-04-10

Details

Check Text ( C-39267r1_chk )
List the "at" jobs on the system.
Procedure:
# ls -la /var/spool/cron/atjobs

For each "at" job file, determine which programs are executed.
Procedure:
# more

Check each program executed by "at" for group- or world-writable permissions.
Procedure:
# ls -la

If "at" executes group- or world-writable programs, this is a finding.
Fix Text (F-1142r2_fix)
Remove group-write and world-write permissions from files executed by "at" jobs.
Procedure:
# chmod go-w