On Wed, Oct 20, 2010 at 10:25 AM, Chris Palmer <[email protected]>wrote:

> On Mon, Oct 18, 2010 at 11:00 AM, Dianne Hackborn <[email protected]>
> wrote:
>
> > There may be one or too very suid binaries, but that is all.
>
> And there is a CTS test to ensure that no new setuid binaries are created.
>

Here's the CTS code:

http://android.git.kernel.org/?p=platform/cts.git;a=commit;h=accc6844267a59b122b6db7af62e0797bf2911c2

Note that it doesn't actually fail if a new SUID binary shows up.  Rather,
it just generates a report.

I expect us to be taking a harder line against SUID binaries in future
versions of Android.  Many of the vulnerabilities we've found have been in
SUID programs added by third parties.

-- Nick

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