Notes about Python Security.
Nicole King (cats-muvva.net) wrote a taint mode for CPython 3.0: http://www.cats-muvva.net/software/
amaury: The patch is indeed huge!
fijall: it seems that every function that returns a PyObject must be modified
fijall: need to patch (...) all places that might modify anything. (All side effects)
=> ncoghlan: PyPy is still a *much* better platform for that kind of experimentation than CPython
See also the presentation: [http://us.pycon.org/common/talkdata/PyCon2007/062/PyCon_2007.pdf Securing Python: Controling the abilities of the interpreter], PyCon US 2007, Brett Cannon and Eric Wohlstadter
Python Security Response Team
- Brett Cannon
Email: security AT python.org
Controlling Access to Resources Within The Python Interpreter
Paper: [http://www.cs.ubc.ca/~drifty/papers/python_security.pdf Controlling Access to Resources Within The Python Interpreter], Brett Cannon and Eric Wohlstadter, University of British Columbia
See PyPy project: [http://codespeak.net/pypy/dist/pypy/doc/sandbox.html PyPy's sandboxing features].
- os.kill(), os.chown(), os.unlink(), ...
- imageop: many bugs
[http://bugs.python.org/issue1179 [CVE-2007-4965] Integer overflow in imageop module] (2007-09 .. 2008-08)