Operating Systems
1. User john, whose home directory is /home/john, manages to execute the following commands with super-user privileges:
cp /bin/sh /home/john/my_sh
chown root /home/john/my_sh
chmod 4777 /home/john/my_sh
a. Describe how the sequence of commands work?
b. What security vulnerabilities has user john created on the system by executing the above statements?
a.commands sequence order :
chmod 4777 /home/john/my_sh
-it gives full access (read,write,execute) to all users
chown root /home/john/my_sh
- it changes ownership to root
cp /bin/sh /home/john/my_sh
-it copies the file to desired path by giving target path in 2nd argument
b. above commaands just changes access restrictions and owner of tha path /home/john/my_sh and
Operating Systems 1. User john, whose home directory is /home/john, manages to execute the following commands...
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