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Mandrake Linux Advisory: linuxconf

Sep 05, 2002, 23:22 (0 Talkback[s])


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                Mandrake Linux Security Update Advisory

Package name:           linuxconf
Advisory ID:            MDKSA-2002:056
Date:                   September 4th, 2002
Affected versions:      7.2, 8.0, 8.1, 8.2, Corporate Server 1.0.1

Problem Description:

 A vulnerability was discovered in linuxconf by Dave Aitel and later by
 iDEFENSE that is locally exploitable to obtain elevated privilege.  By
 default, Mandrake Linux ships linuxconf as setuid root in versions 7.2
 through 8.2.  Successful exploitation will yield a root shell.

 MandrakeSoft recommends that all users take steps and remove the setuid
 bit from linuxconf.  This can be done by issuing, as root, the following

   # chmod u-s /bin/linuxconf

 For users of Linux-Mandrake 7.2, the correct location of the linuxconf
 executable is /sbin.



Bug IDs fixed (see https://qa.mandrakesoft.com for more information):


To upgrade automatically, use MandrakeUpdate.  The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one 
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".  A list of
FTP mirrors can be obtained from:


Please verify the update prior to upgrading to ensure the integrity of
the downloaded package.  You can do this with the command:

  rpm --checksig <filename>

All packages are signed by MandrakeSoft for security.  You can obtain
the GPG public key of the Mandrake Linux Security Team from:


Please be aware that sometimes it takes the mirrors a few hours to 

You can view other update advisories for Mandrake Linux at:


MandrakeSoft has several security-related mailing list services that
anyone can subscribe to.  Information on these lists can be obtained by


If you want to report vulnerabilities, please contact


Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team