A buffer overflow, or buffer overrun, is an anomaly where a program, while writing data to a buffer, overruns the buffer's boundary and overwrites adjacent memory.

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Program exiting after executing int 0x80 instruction when running shellcode

In school I was given an assignment to perform a buffer overflow, which would execute some shellcode and open a new shell. After a bit of fiddling the buffer overflow succeeded, and when I ran the ...
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3 byte address of system call and exit call

i am trying to exploit a buffer overflow vulnerability in ubuntu (kernel version 3.0.0-12 generic i686) by using the method return to libc and the stack is not exploiting ? By while exploiting i ...
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Stack-based buffer overflow the program is interpreting the shellcode on its own

I'm beginner in exploits. So I had type simple program in C #include <stdio.h> void func(){ printf("asd"); } main(){ char buf[100]; scanf("%s", &buf); } My goal is to run the ...
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Buffer Overflow Exploit Shellcode for Windows

Using a buffer overflow, I have been able to override return addresses. But the problem is that Windows addresses contain zeros at the beginning (e.g. 0x00401020). As a result, the objdump of any C ...
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Is OpenSSL 0.9.8h affected by CVE-2014-0195?

I have spent time on finding out if OpenSSL 098h is affected by the CVE-2014-0195 ..but it seems I will have to understand the entire file d1_both.c to answer this question. 1) Preliminary look at ...
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exploiting buffer overflow

when i download a copy of vulnerable program and try to exploit it by buffer overflow (any internal function calling as a payload) it works. but when i made a same type of vulnerable program in c i am ...