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Questions - ctf

Why do TextError exceptions not function properly in this code?

The code below output's "Do not divide by zero, that is forbidden" fine when the user inputs zero, however if a sentence or characters are entered it returns a ValueError. The error is as fo...
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gurobot

python

exception

try-except

ctf

Votes: 0

Answers: 1

Latest Answer

The ValueError occurs at the int(...) call. If you want to handle it, you need to add a try: block around that code. For example: num1 = 8 print("Input the number that will divide:") num2_st...
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Dennis

Why local variable addresses are different by which program started it?

I ran into a confusion about memory address issue during my experiment to practice CTF pwn questions. I tried to find the start pointer address of a local array variable to insert shellcode with Radar...
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kyasbal

c

binary

exploit

ctf

pwntools

Votes: 0

Answers: 0

PicoCTF PW Crack 3

I`m having a problem with this challenge. I have tried every password that is in level3.py file. I have edited level3.py file to print my password hashed and hashed password that is compared to. And t...
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krismans

python

linux

hash

ctf

Votes: 0

Answers: 0

Printf %x string vulnerbility and stack interaction

I'm trying to understand the connection between the stack content at call 0x555555554580 <printf@plt> if you execute printf("%lx%lx%lx%lx%lx%lx"). Assume my stack looks like 0x00007...
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ASP

c

security

ctf

Votes: 0

Answers: 1

Latest Answer

which value would i normally expect to get back? You don't even know that your arguments are passed on any stack or registers, or if your program actually has a stack. Such constructs are not speci...
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Andrew Henle

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