Re: [pypy-dev] Use of marshal in the sandbox: is stdlib marshal OK?

2011-12-27 Thread lahwran
it will become an issue if there is a bug in the marshal code inside pypy-c-sandbox which is /creating/ the marshalled data, a bug that would allow a sandboxed program to alter the marshalled data in such a way that it can exploit the vulnerability of the stdlib marshal. Doesn't sound too likely, b

[pypy-dev] Use of marshal in the sandbox: is stdlib marshal OK?

2011-12-27 Thread Ned Batchelder
The sandbox uses pypy's own implementation of marshal. In pypy/translator/sandbox/sandlib.py is this comment: # Note: we use lib_pypy/marshal.py instead of the built-in marshal # for two reasons. The built-in module could be made to segfault # or be attackable in other ways by sending maliciou

[pypy-dev] Leysin Winter Sprint

2011-12-27 Thread Armin Rigo
= PyPy Leysin Winter Sprint (15-22nd January 2012) = The next PyPy sprint will be in Leysin, Switzerland, for the eighth time. This is a fully public sp