On Wed, 12 Dec 2018, Florian Weimer wrote: > * James Morris: > > > If you're depending on the script interpreter to flag that the user may > > execute code, this seems to be equivalent in security terms to depending > > on the user. e.g. what if the user uses ptrace and clears O_MAYEXEC? > > The argument I've heard is this: Using ptrace (and adding the +x > attribute) are auditable events. I guess you could also preload a modified libc which strips the flag. -- James Morris <jmorris@xxxxxxxxx>
