Simply trying to download files from webpages leads to a surprisingly devastating attack vector that causes database leaks, exposed private keys and much more. Eventually this also led to the discovery of Optionsbleed, a severe security vulnerability in the apache web server.

Talk given at the Driving IT conference in Copenhagen.
https://universe.ida.dk/driving-it/sp...

The tool mentioned in the talk has now been released:
https://github.com/hannob/snallygaster