Off-By-One Exploitation Tutorial

[Nytro]

Off-By-One Exploitation Tutorial

Authored by Saif El-Sherei

This whitepaper is called Off-By-One Exploitation Tutorial. The off by one vulnerability in general means that if an attacker supplied input with certain length if the program has an incorrect length condition the program will write one byte outside the bounds of the space allocated to hold this input causing one of two scenarios depending on the input.

Download:

http://packetstormsecurity.com/files/download/123361/offbyone-tutorial.pdf

[AlMalalah]

Nu e acelasi lucru cu BOF sau mi se pare mie ?

[Nytro]

E tot un (stack based in tutorial) buffer overflow, dar la care, din cauza unei mici erori de logica, ai posibilitatea de a depasi buffer-ul doar cu un singur octet.