I made a Proof of Concept exploit (two actually) for the new Polkit CVE posted yesterday. Find a description and code here.
2022
26
Jan
Using ctrl-z to toggle process in fg/bg
This is just a simple trick to get ctrl-z in bash to toggle a process between foreground and background.
A small but useful idea.
2021
25
Oct
Using core dumps for Linux privilege Escalation
A new vulnerability has been discovered that makes it possible to get a privilegded process to core dump in a restricted area.
This can via a few nifty tricks be abused to gain root access to a linux system
01
Sep
Hacking for a job (or just for fun)
The cyber crime unit of the Danish police has put out a boot2root box to find relevant applicants for a job as web specialist.
I could not resit trying it out.
21
Jun
Free world-wide Wifi for all IPhones (or how to trash the IPhone wifi settings)
What happens if you put a funky format string as SSID for your wifi AP? For IPhones it can have an unexpected outcome.
04
Jun
Who shares private social security number online?!?!
Have you ever shared a picture of your Danish social security card (in Danish: sundhedskortet) online? Maybe with a finger across to cover the secret number?
Think you’re safe from identify theft? probably not!
19
Mar
Try Hack Me – 100 days after
I started the endeavour into the world of online hacking training/games back in December. Now, 100 days later, I will give a short update.
26
Jan
Bash faulty pasting tip
Have you ever pasted some random multi-line text to the bash shell ? If you have, then you will know how annoying this is. So here is the fix!
2020
04
Dec
Computer Security – for fun and profit
So I have been interested in computer security, hacking, cracking, preaking and everything around it since my early teenage years. It has mostly been for the fun of it and not something I would use for bad things. Back in the early days (mid-90es) security was just beginning to be a thing so defacing a […]
01
Sep
Official U2F/FIDO support in OpenSSH
U2F/FIDO2 support is now officially available in OpenSSH.