On Fri, Jun 9, 2017 at 3:18 AM, Mimi Zohar <zo...@linux.vnet.ibm.com> wrote: > On Thu, 2017-06-08 at 23:50 -0400, Matt Brown wrote: >> >> >> >> * Issues: >> >> * Can be bypassed by interpreted languages such as python. You can run >> >> malicious code by doing: python -c 'evil code' >> > >> > What's the recommendation for people interested in using TPE but >> > having interpreters installed? >> > >> >> If you don't need a given interpreter installed, uninstall it. While >> this is common sense system hardening it especially would make a >> difference under the TPE threat model. >> >> I don't have a knock down answer for this. Interpreters are a hard >> problem for TPE. > > You might be interested in the minor LSM named "shebang", that I > posted as a proof of concept back in January, which restricts the > python interactive prompt/interpreter, but allows the scripts > themselves to be executed.
https://patchwork.kernel.org/patch/9547405/ Maybe these could be merged and the interpreter string could be made into a configurable list? -Kees -- Kees Cook Pixel Security
