stevendanna/cookbook-r — pull request #4 by buysse (2012-11-26 22:26:16+00:00)
Title: Security: fixed world-writable Rprofile.site

Rprofile.site, as installed, is mode 777. Probably not a desirable outcome, as that would allow any user on the system to execute arbitrary code as any other R user (including the R_package LWRP that runs as root.)