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Since late 2012 I've been looking for security bugs in X.org code. Both Server and Client code. In this talk I will give an architectural overview of all the discovered attack surfaces which would include:
- client network protocol parser
- server network protocol parser
- data passed on from Server to extensions
- Shared memory
- parsers
- ACL's
- ...
I will also discuss security issues found therein. I will also discuss interaction with various developers and how that process went.