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Tagged with stack-overflowreverse-engineering
3 questions
1vote
1answer
1kviews
Heap overflow - strcpy() on x86_64 (64bit)
I'm stuck on the Heap1 challenge from Exploit Education. After compiling the source code in a 64bit system, without any security mechanism, I try to overflow the heap in order to overwrite the main ...
- 21
-1votes
3answers
2kviews
ret2libc - why need 4 bytes of garbage
So I started to learn reverse engineering, and I came across the ret2libc exploit. I tried to understand how it works and I got a bit confused. They say that when you return to the address of system ...
2votes
2answers
4kviews
Overflowing the buffer yet not jumping to address
I am a beginner at buffer overflows been studying this subject from a few days and i found this exercise (code from: here) I think understand the basic concept i write more than 64 bytes characters ...
