Download - Login name
Login name
Password
cathy
klm
abc
xyz
opq
efg
Password Table
Encrypt the password ROT13
Compare
Login Process Memory
(RAM)
root
cathy
fred
mary
Name
Encrypted Password (ROT13)
Login !
Michigan State University
Richard Enbody , Zhengping Ji
bye
cathy
xyz
klm
xyz
Login name
Password
cathy
bdfoqs
abc
xyz
rmd
qpx
Password Table
Encrypt the password ROT13
Compare
Overflow Attack
Memory
(RAM)
root
cathy
fred
mary
Name
Encrypted
Password (ROT13)
MATCH !
Michigan State University
Richard Enbody , Zhengping Ji
Overflow ! Login successfully!bye
cathy
xyz
bdf
oqs
Overwrite oqs
Michigan State University
Richard Enbody , Zhengping Ji
Login name
Password
cathy
bdfoqs
qpx
rmd
xyz
abc
Password Table
Encrypt the password ROT13
Overflow Attack
Memory
(RAM)
mary
fred
cathy
root
Name
Encrypted
Password (ROT13)
MATCH !
Overflow ! Login successfully!bye
cathy
xyz
bdf
oqs
Overwrite oqs