Techblog and Security
Introduction and Story I remember, more then a year ago I watched this fantastic video from stacksmashing about reverse engineering and rebuilding a custom firmware for a webcam. I was absolutely stunned that this is possibile and thought about to try this some time on a device I have at home. As usual, time passes
Continue Reading „RE: DC-932L Reversing a Webcam Part 1 – Getting a Shell“
Metabase GeoJSON API Endpoint Back in September 2021, Metabase released a security announcement regarding its GeoJSON API endpoint: GeoJSON URL validation can expose server files and environment variables to unauthorized users We’ve discovered a potential security issue with the custom GeoJSON map (admin->settings->maps->custom maps->add a map) support and potential local file inclusion (including environment variables).
Continue Reading „NTLM Attack in Metabase CVE-2022-24853“
Today i just found another exploit in the PHP Voting System. The file /admin/candidates_add.php is vulnerable against unauthenticated file upload which can use for RCE. Exploit DB entry: https://www.exploit-db.com/exploits/49846 Vulnerable file candidates_add.php You just need to send a POST with multipart/form-data so you can upload any file you wish. There is no cookie or file
Continue Reading „PHP Voting System – Unauthenticated Remote Code Execution“
Today i found a new exploit in the PHP Voting System. Exploit-DB entry: https://www.exploit-db.com/exploits/49843 The /admin/login.php is vulnerable against SQL injections and so you can bypass the admin authentication. login.php As you can see the first check if($query->num_rows < 1)against the username is only checking the number of rows. With the following statement you always
Continue Reading „PHP Voting System – Admin Authentication Bypass (SQLI)“
In version 0.147.3 of valheim there is a possibility to receive and extract the passwords entered by the user. Responsible disclosure: I send an Email to the developer Team of irongatestudio, but unfortunately they didd’t respond to me. This is only possible if you control the server binaries! at this moment there was no possibility
Continue Reading „Research Valheim Server Passwords“