[Plug] Parousiash "Security Pt.1 - Local attacks" Tetarth 12/3

[Χρήστος Σιακαβάρας]

mias kai arketoi to zhthsan, para8etw link apo opou mporeite na 
katebasete ta draft texts kai ta sources apo thn shmerinh (x8esinh 
pleon) parousiash:

http://pcgrp.ceid.upatras.gr/docs/software/attacks.tar.gz

ithilgore



prostheto kai ta parakato se poio light isos morfi
http://insecure.org/stf/smashstack.html
http://en.wikipedia.org/wiki/Stack_buffer_overflow
http://en.wikipedia.org/wiki/Buffer_overflow



kai merikes paratiriseis gia tin parousiasi pou egine xtes (pleon) :

1) kalo tha itan na ftiaxname enan pinaka ... itan kourastiko se arketa 
simeia to sinexomeno scrolling
polla pragmata mporoun na exigithoun kai dixtoun kalytera se ena pinaka.

2) parolo to exairetiko epipedo kapou xathike o skopos kai sinoliko 
noima tis parousiasis... eniosa pos oi ligoi pou itan sto epipedo tou 
parousiasti isos na varethikan i na min tous prosthethike kati ... eno 
kapioi alloi sigoura na min katalavan sxedon tipota...

3) oi parousiaseis genika einai apodekto oti den prepei na ksepernoun 
apo tin pleyra tou omiliti ta 45 lepta peripou... xronos ligos gia na 
analothei kapoios se leptomeries ... simasia exei na ginei to erethisma 
kai opoios thelei na ta psaksei perissotero...

4) sigoura einai terastio to kefalaio pou anoixtike opos einai kai poly 
endiaferon
kai sigoura den mporei na kaliftei oute se mia alla oute kai se 10 
parousiaseis
alla omos min kindinepsoume na xathoume i na xasei to plug 
apotharinontas ta nea prosopa pou sinexos erxontai.


opos kai na exei ena megalo bravo kai pali gia tin simerini parousiasi 
opos kai bravo se olous osous analamvanoun na kanoun tetoies 
parousiaseis... kai eyxomai akoma perissotero kosmo tis epomenes fores.