Re: Securing "make check" (CVE-2014-0067)

Noah Misch <noah@leadboat.com> writes:
> On Thu, Mar 06, 2014 at 12:44:34PM -0500, Tom Lane wrote:
>> I'm inclined to suggest that we should put the socket under $CWD by
>> default, but provide some way for the user to override that choice.
>> If they want to put it in /tmp, it's on their head as to how secure
>> that is.  On most modern platforms it'd be fine.

> I am skeptical about the value of protecting systems with non-sticky /tmp, but
> long $CWD isn't of great importance, either.  I'm fine with your suggestion.
> Though the $CWD or one of its parents could be world-writable, that would
> typically mean an attacker could just replace the test cases directly.

If the build tree is world-writable, that is clearly Not Our Fault.
        regards, tom lane