full-disclosure - Re: Gödel and kernel backdoors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Sun, 19 Sep 2010 20:07:26 +0300
From: Georgi Guninski <guninski@...inski.com>
To: Pavel Kankovsky <peak@...o.troja.mff.cuni.cz>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Gödel and kernel backdoors

On Sun, Sep 19, 2010 at 06:21:35PM +0200, Pavel Kankovsky wrote:
> On the other hand, It is possible to "detect all bad programs" if it is
> allowed to err on the safe side and mistake some good programs for bad
> programs. An extreme example is to call all programs bad unless their
> exact code appears on the list of known good programs.
>

i doubt this can be remotely implemented in practice because of dynamic code like |eval| and mobile code.

can |code| be realistically distinguished from |data| for current OSes
(e.g. is a vim modeline *only a* plain string or a string + program) ?

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/