Re: [Full-disclosure] Linux kernel 0day - dynamite inside, don't burn your fingers

Joanna R. wrote:
Hello,

attached 0day kernel 2.6 local root exploit. This is a new genuine bug, unpatched in 2.6.17.4 - don't get confused by prctl inside - it is only used to change process status.

The code exploits a root race in /proc

have a nice day.

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Works here, at first I got a seg fault .. then I read into it a little ..
me@my box:~$ id
uid=1000(me) gid=1000(me) groups=20(dialout),24(cdrom),25(floppy),29(audio),44(video),46(plugdev),116(camera),1000(me)
me@my box:~$ ./h00lyshit ./somefile

preparing
trying to exploit ./somefile

sh-3.1# id
uid=0(root) gid=1000(me) groups=20(dialout),24(cdrom),25(floppy),29(audio),44(video),46(plugdev),116(camera),1000(me)

sh-3.1# uname -a
Linux 2.6.16 #4 PREEMPT Fri May 26 12:16:11 PDT 2006 i686 GNU/Linux

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

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