Can you gain root privileges if the suid program does not belong to root?

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# 1  
Old 10-02-2015
Can you gain root privileges if the suid program does not belong to root?

I had a question in my test which asked where suppose user B has a program with 's' bit set. Can user A run this program and gain root privileges in any way?

I suppose not as the suid program run with privileges of owner and this program will run with B's privileges and not root.
# 2  
Old 10-02-2015
Correct, it runs as the owner.

Please post further questions on tests in the homework forums following the homework rules.
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