A penetration tester executes the command crontab -l while working in a Linux server environment. The
penetration tester observes the following string in the current user's list of cron jobs:
*/10 * * * * root /writable/update.sh
Which of the following actions should the penetration tester perform NEXT?


A. Privilege escalation
B. Memory leak
C. Directory traversal
D. Race condition