Linux - 1

Hanno's Blog

Wednesday, October 21. 2020

File Exfiltration via Libreoffice in BigBlueButton and JODConverter

Monday, April 6. 2020

Userdir URLs like https://example.org/~username/ are dangerous

Monday, December 16. 2019

#include </etc/shadow>

Friday, September 13. 2019

Security Issues with PGP Signatures and Linux Package Management

Thursday, November 16. 2017

Some minor Security Quirks in Firefox

Thursday, September 7. 2017

In Search of a Secure Time Source

Thursday, July 20. 2017

How I tricked Symantec with a Fake Private Key

Thursday, June 15. 2017

Don't leave Coredumps on Web Servers

Friday, May 19. 2017

The Problem with OCSP Stapling and Must Staple and why Certificate Revocation is still broken

Tuesday, January 26. 2016

Safer use of C code - running Gentoo with Address Sanitizer

Monday, November 30. 2015

A little POODLE left in GnuTLS (old versions)

Tuesday, June 23. 2015

The tricky security issue with FollowSymLinks and Apache

Sunday, May 17. 2015

About the supposed factoring of a 4096 bit RSA key

Tuesday, April 7. 2015

How Heartbleed could've been found

Sunday, March 15. 2015

Talks at BSidesHN about PGP keyserver data and at Easterhegg about TLS

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About

This blog is written by Hanno Böck. Unless noted otherwise, its content is licensed as CC0.

You can find my web page with links to my work as a journalist here.

I am also publishing a newsletter about climate change and decarbonization technologies.

The blog uses the free software Serendipity and is hosted at schokokeks.org.

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