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All stack overflows are exploitable.
True
False
Not all stack overflows can be successfully exploited by an attacker. Often the worst that happen is a process crash. Edit: Wouldn't causing a system to crash be a form of an exploit? A: Nopes, it's a Denial Of Service. CLARIFICATION: Even though a stack overflow may exist in a program, there could be OS-level protections, such as NX or ASLR, which would prevent successful exploitation. Additionally, if the program is managed by a monitoring program (such as a cronjob or Nagios) then the program may restart, which may negate the effectiveness of a Denial of Service.
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