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________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           proftpd
Advisory ID:            MDKSA-2002:005
Date:                   January 17th, 2002
Affected versions:      7.2, 8.0, 8.1
________________________________________________________________________

Problem Description:

 Matthew S. Hallacy discovered that ProFTPD was not forward resolving
 reverse-resolved hostnames. A remote attacker could exploit this to
 bypass ProFTPD access controls or have false information logged.  Frank
 Denis discovered that a remote attacker could send malicious commands
 to the ProFTPD server and it would force the process to consume all CPU
 and memory resources available to it.  This DoS vulnerability could
 bring the server down with repeated attacks.  Finally, Mattias found a
 segmentation fault problem that is considered by the developers to be
 unexploitable.
________________________________________________________________________

References:

  http://www.securityfocus.com/bid/3310
  http://www.securityfocus.com/archive/1/169395
  http://www.securityfocus.com/archive/1/246331
  http://www.proftpd.org/critbugs.html
________________________________________________________________________

Updated Packages:

 Linux-Mandrake 7.2:
 7250ef2a6f2f71eb3e028920834ec093  7.2/RPMS/proftpd-1.2.5-0.rc1.1.2mdk.i586.rpm
 0d8ef514ea6bf73168e29e206eb01a64  7.2/SRPMS/proftpd-1.2.5-0.rc1.1.2mdk.src.rpm

 Mandrake Linux 8.0:
 23615350724cd39e1f2bbe1e96a646bd  8.0/RPMS/proftpd-1.2.5-0.rc1.1mdk.i586.rpm
 bd96b79efd19cd75a575bbbaddb470ca  8.0/SRPMS/proftpd-1.2.5-0.rc1.1mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 427f4e7c110036c630bf91cc21140826 
 ppc/8.0/RPMS/proftpd-1.2.5-0.rc1.1mdk.ppc.rpm
 bd96b79efd19cd75a575bbbaddb470ca 
 ppc/8.0/SRPMS/proftpd-1.2.5-0.rc1.1mdk.src.rpm

 Mandrake Linux 8.1:
 d4b9c58e224cbc878c155dde708d9e11  8.1/RPMS/proftpd-1.2.5-0.rc1.1mdk.i586.rpm
 bd96b79efd19cd75a575bbbaddb470ca  8.1/SRPMS/proftpd-1.2.5-0.rc1.1mdk.src.rpm

 Mandrake Linux 8.1/ia64:
 95fb66a24145dc07593c01f7ea487505 
 ia64/8.1/RPMS/proftpd-1.2.5-0.rc1.2mdk.ia64.rpm
 dca5b53c1cf01c5354dd0d88451a3115 
 ia64/8.1/SRPMS/proftpd-1.2.5-0.rc1.2mdk.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 <filename>

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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