Top "Buffer-overflow" questions

How to find place of buffer overflow and memory corruptions?

valgrind can't find anything useful. I'm confused. Symptomes: my data corrupted by a malloc() call return address of my function …

c valgrind buffer-overflow memory-corruption

GCC how to detect stack buffer overflow

Since there is an option -fstack-protector-strong in gcc to detect stack smashing. However, it can not always detect stack buffer …

c gcc buffer-overflow fortify-source

heap overflow attacks

How heap overflow attacks are done? In case of stackoverflow attacks, the attacker replaces the function return address with his …

security buffer-overflow

strcpy when dest buffer is smaller than src buffer

I am trying to understand the difference/disadvantages of strcpy and strncpy. Can somebody please help: void main() { char src[] = "…

c string buffer-overflow strcpy

How to conduct buffer overflow in PHP/Python?

Here is an example in c: #include <stdio.h> #include <string.h> void bad() { printf("Oh …

php python buffer-overflow

Shellcode for a simple stack overflow: Exploited program with shell terminates directly after execve("/bin/sh")

I played around with buffer overflows on Linux (amd64) and tried exploiting a simple program, but it failed. I disabled …

security assembly buffer-overflow shellcode

Simple buffer overflow and shellcode example

I've been trying to run Aleph One's example in order to get a BOF and open a shell. This is …

c security buffer-overflow shellcode

Buffer overflow in C

I'm attempting to write a simple buffer overflow using C on Mac OS X 10.6 64-bit. Here's the concept: void function() { …

c buffer-overflow

What are the prevention techniques for the Buffer overflow attacks?

what are the ideas of preventing buffer overflow attacks? and i heard about Stackguard,but until now is this problem …

security programming-languages buffer-overflow

How can I invoke buffer overflow?

I got a homework assignment asking me to invoke a function without explicitly calling it, using buffer overflow. The code …

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