On 6/9/17 8:55 AM, Kees Cook wrote: > 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? >
Yes this looks promising. I'll look into integrating this. Matt