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Mandrake: 'sudo' Potential local root compromise Print E-mail
User Rating:      How can I rate this item?
Posted by LinuxSecurity.com Team   
Mandrake Versions of sudo prior to 1.6.4 would not clear the environment beforesending an email notification about unauthorized sudo attempts, making itpossible for an attacker to supply parameters to the mail program.

________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           sudo
Advisory ID:            MDKSA-2002:003
Date:                   January 15th, 2002
Affected versions:      7.1, 7.2, 8.0, 8.1, Corporate Server 1.0.1,
                        Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

 The SuSE Security Team discovered a vulnerability in sudo that can be
 exploited to obtain root privilege because sudo is installed setuid
 root.  An attacker could trick sudo to log failed sudo calls executing
 the sendmail (or equivalent mailer) program with root privileges and an
 environment that is not completely clean.  This problem has been fixed
 upstream by the author in sudo 1.6.4 and it is highly recommended that
 all users upgrade regardless of what mailer you are using.
________________________________________________________________________

References:

________________________________________________________________________

Updated Packages:

 Linux-Mandrake 7.1:
 18f6a3fcf02612b9793e4e5fa5837f57  7.1/RPMS/sudo-1.6.4-1.1mdk.i586.rpm
 8a585cf0aea36387a923800849f6dd65  7.1/SRPMS/sudo-1.6.4-1.1mdk.src.rpm

 Linux-Mandrake 7.2:
 5bf0a34d9a7b8a25e8492d16c2023ae4  7.2/RPMS/sudo-1.6.4-1.1mdk.i586.rpm
 8a585cf0aea36387a923800849f6dd65  7.2/SRPMS/sudo-1.6.4-1.1mdk.src.rpm

 Mandrake Linux 8.0:
 6485ad4e345eb0e4920f856d65808235  8.0/RPMS/sudo-1.6.4-1.1mdk.i586.rpm
 8a585cf0aea36387a923800849f6dd65  8.0/SRPMS/sudo-1.6.4-1.1mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 0a5621d56f98e4ee7f319df27bff056b  ppc/8.0/RPMS/sudo-1.6.4-1.1mdk.ppc.rpm
 8a585cf0aea36387a923800849f6dd65  ppc/8.0/SRPMS/sudo-1.6.4-1.1mdk.src.rpm

 Mandrake Linux 8.1:
 62485ba0edd13e7a574e65adcc9ccd90  8.1/RPMS/sudo-1.6.4-1.1mdk.i586.rpm
 8a585cf0aea36387a923800849f6dd65  8.1/SRPMS/sudo-1.6.4-1.1mdk.src.rpm

 Mandrake Linux 8.1/ia64:
 f1003964d7e815bd0054db72dcefa289  ia64/8.1/RPMS/sudo-1.6.4-1.1mdk.ia64.rpm
 8a585cf0aea36387a923800849f6dd65  ia64/8.1/SRPMS/sudo-1.6.4-1.1mdk.src.rpm

 Corporate Server 1.0.1:
 18f6a3fcf02612b9793e4e5fa5837f57  1.0.1/RPMS/sudo-1.6.4-1.1mdk.i586.rpm
 8a585cf0aea36387a923800849f6dd65  1.0.1/SRPMS/sudo-1.6.4-1.1mdk.src.rpm

 Single Network Firewall 7.2:
 5bf0a34d9a7b8a25e8492d16c2023ae4  snf7.2/RPMS/sudo-1.6.4-1.1mdk.i586.rpm
 8a585cf0aea36387a923800849f6dd65  snf7.2/SRPMS/sudo-1.6.4-1.1mdk.src.rpm
________________________________________________________________________

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:

   http://www.mandrakesecure.net/en/ftp.php

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

  rpm --checksig 

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

  https://www.mandrakesecure.net/RPM-GPG-KEYS

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

You can view other update advisories for Mandrake Linux at:

   http://www.mandrakesecure.net/en/advisories/

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

   http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security@linux-mandrake.com>


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Version: GnuPG v1.0.5 (GNU/Linux)
Comment: For info see  http://www.gnupg.org

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WKJqQhlMrHvRcsivzcgqjH44GBBJIT6sygUF8k0lU6YnMHj5MPc/NGWt8wCg9vKo
P0l5QVAFSsHtqcU9W8cc7wMEAJzQsAlnvPXDBfBLEH6u7ptWFdp0GvbSuG2wRaPl
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