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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] wuftpd vulnerability - Slackware 4.0, 7.0, 7.1, -current
Date: Fri, 29 Sep 2000 00:27:52 -0700 (PDT)
A vulnerability involving an input validation error in the "site exec"
command has recently been identified in the wu-ftpd program (CERT Advisory
CA-2000-13).  More information about this problem can be found at this site:

   http://www.cert.org/advisories/CA-2000-13.html

The wu-ftpd daemon is part of the tcpip1.tgz package in the N series.  A
new tcpip1.tgz package is now available in the Slackware -current tree.
All users of Slackware 7.0, 7.1, and -current are stronly urged to upgrade
to the new tcpip1.tgz package.

For users of Slackware 4.0, a wuftpd.tgz patch package is being provided
in the /patches tree of Slackware 4.0.


=========================================
wu-ftpd 2.6.1 AVAILABLE - (n1/tcpip1.tgz)
=========================================

   FOR USERS OF SLACKWARE 7.0, 7.1, and -current:
   ---------------------------------------------

   The recent vulnerability in wu-ftpd can be fixed by upgrading to the
   new tcpip1.tgz package.  This package upgrades the wu-ftpd server to
   version 2.6.1.  You can download it from the -current branch:

      ftp://ftp.slackware.com/pub/slackware/slackware-current/slakware/n1/tcpip1.tgz

   All users of Slackware 7.0, 7.1, and -current are strongly urged to 
   upgrade to the tcpip1.tgz package to fix the vulnerability in wu-ftpd.

   For verification purposes, we provide the following checksums:

      16-bit "sum" checksum:
      301822053 1017853 n1/tcpip1.tgz

      128-bit MD5 message digest:
      cbb3fe386341d1b1e99100ba3ff02794  n1/tcpip1.tgz

   Installation instructions for the tcpip1.tgz package:

      If you have downloaded the new tcpip1.tgz package, you should bring
      the system into runlevel 1 and run upgradepkg on it:

         # telinit 1
         # upgradepkg tcpip1.tgz
         # telinit 3



   FOR USERS OF SLACKWARE 4.0:
   --------------------------
   
   The recent vulnerability in wu-ftpd can be fixed by installing the
   wuftpd.tgz patch package.  This package upgrades the wu-ftpd server
   to version 2.6.1.  You can download it from the Slackware 4.0 branch:

      ftp://ftp.slackware.com/pub/slackware/slackware-4.0/patches/wuftpd.tgz

   All users of Slackware 4.0 are strongly urged to install the wuftpd.tgz
   patch package to fix the vulnerability in wu-ftpd.

   For verification purposes, we provide the following checksums:

      16-bit "sum" checksum:
      2781503789 107341 wuftpd.tgz

      128-bit MD5 message digest:
      75547b1762d7ff4fad233cd89529ff2c  wuftpd.tgz

   Installation instructions for the wuftpd.tgz package:

      If you have downloaded the wuftpd.tgz patch package, you should bring
      the system into runlevel 1 and run installpkg on it:

         # telinit 1
         # installpkg wuftpd.tgz
         # telinit 3


Remember, it's also a good idea to backup configuration files before
upgrading packages.

- Slackware Linux Security Team
  http://www.slackware.com


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