Re: [Full-Disclosure] /usr/bin/trn local root exploit

[Frank Thyes <thyes@xxxxxxx>]

+++ Z z a g o r R [Wed, Jan 26, 2005 at 09:27:28AM CET]:
> /*
> /usr/bin/trn local root exploit
> By ZzagorR - http://www.rootbinbash.com
> */
> /*
> sh-2.05b$ ./trn
>  usage   : ./trn ret buf
>  example : ./trn 0xbfffff64
>  [+] mandrake   9.2  = 0xbfffff96
>  [+] slackware 10.0.0= 0xbfffff98
>  [+] slackware  9.1.0= 0xbfffff84
> sh-2.05b$
> sh-2.05b$ ./trn 0xbfffff84 128
>  [BOO  %] 128
>  [RET  %] bfffff84
> sh-2.05b#
> sh-2.05b# id
>  uid=0(root) gid=98(nobody) groups=98(nobody)

I didnt understand how you will get root? Afaik trn isnt suid. I
didnt have Mandrake or another Linux here so i cant test it.

Please explain.

Regards
Frank

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