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Mandrake: fetchmail buffer overflow vulnerabilities Print E-mail
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Posted by LinuxSecurity.com Team   
Mandrake Several buffer overflows and a boundary check error were discovered in all fetchmail versions prior to 6.1.0 by e-matters GmbH. These problems are vulnerable to crashes and/or arbitrary code execution by remote attackers if fetchmail is running in multidrop mode. The code execution would be done with the same privilege as the user running fetchmail.

________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           fetchmail
Advisory ID:            MDKSA-2002:063
Date:                   October 1st, 2002
Affected versions:      7.1, 7.2, 8.0, 8.1, 8.2, 9.0, 
                        Corporate Server 1.0.1, 
                        Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

 Several buffer overflows and a boundary check error were discovered in
 all fetchmail versions prior to 6.1.0 by e-matters GmbH.  These problems
 are vulnerable to crashes and/or arbitrary code execution by remote
 attackers if fetchmail is running in multidrop mode.  The code 
 execution would be done with the same privilege as the user running
 fetchmail.
________________________________________________________________________

References:

   http://security.e-matters.de/advisories/032002.html
________________________________________________________________________

Updated Packages:

 Linux-Mandrake 7.1:
 6198a90876239e39404837f0aa27a7ab  7.1/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 28690ac37cd4b535e5b8deb5a5e29cb7  7.1/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 9c591feb39d5eb88dd2b072c6c9a9778  7.1/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  7.1/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Linux-Mandrake 7.2:
 906c06cde995f8437fb5fcd6a199ea9e  7.2/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 af178e680672327bb08d5812e8cbdeac  7.2/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 ecd81667be88ef176d2325cbdb747061  7.2/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  7.2/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Mandrake Linux 8.0:
 43dc53c1dd0342a4c3c1c437510ef9f2  8.0/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 62a8f76857b5ecd74fb44db3f87a1294  8.0/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 793818e2aea3e9b731b782092727578e  8.0/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  8.0/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 7ca1dd658426336ae95f5c44865a4470  ppc/8.0/RPMS/fetchmail-6.1.0-0.1mdk.ppc.rpm
 003570be821ebec426b45a7db96080af  ppc/8.0/RPMS/fetchmail-daemon-6.1.0-0.1mdk.ppc.rpm
 825f060d29a50ea650bd0ddaf291110c  ppc/8.0/RPMS/fetchmailconf-6.1.0-0.1mdk.ppc.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  ppc/8.0/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Mandrake Linux 8.1:
 458d3865d0e6037808afd96ad0467c06  8.1/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 776f60b761410e31c2dc047d9485dd5b  8.1/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 06d6b405ba1c350d54ddf924c6a20565  8.1/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  8.1/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Mandrake Linux 8.1/ia64:
 5d140e41fcf7e797a627544aebcf480b  ia64/8.1/RPMS/fetchmail-6.1.0-0.1mdk.ia64.rpm
 10e12fb2d98977bb441b5d6865272c10  ia64/8.1/RPMS/fetchmail-daemon-6.1.0-0.1mdk.ia64.rpm
 9a9cd215ffa63c01be1d77fbce790603  ia64/8.1/RPMS/fetchmailconf-6.1.0-0.1mdk.ia64.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  ia64/8.1/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Mandrake Linux 8.2:
 e7a41c05102c56b817fbc27ec2c86b3d  8.2/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 32cd0a4e3dc704ce63fafd84498dc369  8.2/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 fe7a7edc673be65d8d1b8b50c9761bd9  8.2/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  8.2/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Mandrake Linux 8.2/ppc:
 5a9b54cfe1c47eff6770619aef1d8ebd  ppc/8.2/RPMS/fetchmail-6.1.0-0.1mdk.ppc.rpm
 0e5c94c280984ab880c0e38a88263491  ppc/8.2/RPMS/fetchmail-daemon-6.1.0-0.1mdk.ppc.rpm
 75a15b68ff6c665aecc0bcd58629a76e  ppc/8.2/RPMS/fetchmailconf-6.1.0-0.1mdk.ppc.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  ppc/8.2/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Mandrake Linux 9.0:
 e885d1f0c8e24e46ac2e1f8a219650be  9.0/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 09c813350cf31109555b68fd9fdf741d  9.0/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 945ae5c3ce8e69f0ca24a054c033bbd4  9.0/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  9.0/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Corporate Server 1.0.1:
 6198a90876239e39404837f0aa27a7ab  1.0.1/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 28690ac37cd4b535e5b8deb5a5e29cb7  1.0.1/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 9c591feb39d5eb88dd2b072c6c9a9778  1.0.1/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  1.0.1/SRPMS/fetchmail-6.1.0-0.1mdk.src.rpm

 Single Network Firewall 7.2:
 906c06cde995f8437fb5fcd6a199ea9e  snf7.2/RPMS/fetchmail-6.1.0-0.1mdk.i586.rpm
 af178e680672327bb08d5812e8cbdeac  snf7.2/RPMS/fetchmail-daemon-6.1.0-0.1mdk.i586.rpm
 ecd81667be88ef176d2325cbdb747061  snf7.2/RPMS/fetchmailconf-6.1.0-0.1mdk.i586.rpm
 0c7eae749dbbd6c4a5d5bb5ffc69ebde  snf7.2/SRPMS/fetchmail-6.1.0-0.1mdk.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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