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From: Slackware Security Team <security@slackware.com>
To: slackware-security@slackware.com
Subject: [slackware-security] buffer overflow vulnerability in Pine
Date: Thu, 9 Nov 2000 13:21:51 -0800 (PST)
Pine versions 4.21 and before contain a buffer overflow vulnerability
which allows a remote user to execute arbitrary code on the local client
by the sending of a special-crafted email message.  The overflow occurs
during the periodic "new mail" checking of an open folder.

By upgrading to Pine 4.30, users can fix this problem.  New pine.tgz and
imapd.tgz packages are available for users of Slackware Linux 7.0, 7.1,
and -current.


 =================================================
 Pine 4.30 AVAILABLE - (n1/pine.tgz, n1/imapd.tgz)
 =================================================

  The buffer overflow vulnerability that affects Pine 4.21 and earlier
  can be fixed by upgrading to the new Pine 4.30 packages.  The new
  pine.tgz and imapd.tgz are available in the -current branch:

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

  For verification purposes, we provide the following checksums:

   16-bit "sum" checksum:
   58447  1475   n1/pine.tgz
   11458   654   n1/imapd.tgz

   128-bit MD5 message digest:
   2f7cdbca84e9d3473c74c6cf6ed24b79  n1/pine.tgz
   81a5c7373e30357679fe613e38e07a01  n1/imapd.tgz


  INSTALLATION INSTRUCTIONS FOR THE pine.tgz PACKAGE:
  ---------------------------------------------------
  Make sure that no users have Pine running, then issue this command:

         # upgradepkg pine.tgz


  INSTALLATION INSTRUCTIONS FOR THE imapd.tgz PACKAGE:
  ---------------------------------------------------
  The IMAP and POP3 servers provided by the imapd.tgz package run from
  inetd.  Make sure they are not running.  This can be easily accomplished
  by dropping the machine into single user mode:

         # telinit 1

  Then upgrade the imapd.tgz package:

         # upgradepkg imapd.tgz


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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