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Category:   Application (E-mail Server)  >   Mailman Vendors:   GNU [multiple authors]
(Debian Issues Revised Fix) Mailman E-Mail Command Processing Flaw Lets Remote Users Crash the Service
SecurityTracker Alert ID:  1009162
SecurityTracker URL:  http://securitytracker.com/id/1009162
CVE Reference:   CVE-2003-0991   (Links to External Site)
Date:  Feb 22 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.0.14
Description:   A vulnerability was reported in Mailman in the processing of certain e-mail commands. A remote user can cause denial of service conditions.

It is reported that a vulnerability in 'MailCommandHandler.py' may let a remote user send a specially crafted e-mail message to cause the target Mailman process to crash.

Impact:   A remote user can cause the Mailman process to crash.
Solution:   Debian has released a revised fix. Debian reports that while fixing these vulnerabilities for DSA 436-1, a new bug was introduced into the stable version (woody) that can cause mailman to crash when processing certain malformed messages. This advisory (DSA 436-2) reportedly corrects that bug. For the current stable distribution (woody), the fix is available in version 2.0.11-1woody8.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8.dsc
Size/MD5 checksum: 595 bef710bf0b5805d0946473c19ac42bbc
http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8.diff.gz
Size/MD5 checksum: 31818 1f5fae277367b06965b2dc3d38fac895
http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11.orig.tar.gz
Size/MD5 checksum: 415129 915264cb1ac8d7b78ea9eff3ba38ee04

Alpha architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_alpha.deb
Size/MD5 checksum: 461284 ea9daf95ebb6f6c15b64d93fc6a75dae

ARM architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_arm.deb
Size/MD5 checksum: 458966 89dc55b67c3f7b6156dfb93eeab2a209

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_i386.deb
Size/MD5 checksum: 458964 63db95b7687b1b8f6a222b49dde4e584

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_ia64.deb
Size/MD5 checksum: 461790 d651a19c06cba8ef5b12845df0cdf386

HP Precision architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_hppa.deb
Size/MD5 checksum: 459512 afddeae9eff5820d7de74ad6a6753d16

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_m68k.deb
Size/MD5 checksum: 459102 8266eaefb8e56631b3761e30e6bb3095

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_mips.deb
Size/MD5 checksum: 459502 9896dbddb5704e7ecf6de3524ab6d225

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_mipsel.deb
Size/MD5 checksum: 459336 a091672c96a16bfc42d807b4a2a99a11

PowerPC architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_powerpc.deb
Size/MD5 checksum: 459788 4ef14c3ee4845e039f1143e897f42c12

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_s390.deb
Size/MD5 checksum: 459790 b17c89f584242c502ff6b9ddac43814d

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_sparc.deb
Size/MD5 checksum: 464280 27935cf8280a793d24fe8ea188f77de4

Vendor URL:  mail.python.org/pipermail/mailman-announce/2004-February/000067.html (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Debian)
Underlying OS Comments:  3.0

Message History:   This archive entry is a follow-up to the message listed below.
Feb 9 2004 Mailman E-Mail Command Processing Flaw Lets Remote Users Crash the Service



 Source Message Contents

Subject:  [SECURITY] [DSA 436-2] New mailman packages fix bug introduced in DSA 436-1



-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA 436-2                     security@debian.org
http://www.debian.org/security/                             Matt Zimmerman
February 21st, 2004                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : mailman
Vulnerability  : several
Problem-Type   : remote
Debian-specific: no
CVE Ids        : CAN-2003-0991 CAN-2003-0965 CAN-2003-0038

Several vulnerabilities have been fixed in the mailman package:

 - CAN-2003-0038 - potential cross-site scripting via certain CGI
   parameters (not known to be exploitable in this version)

 - CAN-2003-0965 - cross-site scripting in the administrative
   interface

 - CAN-2003-0991 - certain malformed email commands could cause the
   mailman process to crash

The cross-site scripting vulnerabilities could allow an attacker to
perform administrative operations without authorization, by stealing a
session cookie.

In the process of fixing these vulnerabilities for DSA 436-1, a bug
was introduced which could cause mailman to crash on certain malformed
messages.

For the current stable distribution (woody) this problem has been
fixed in version 2.0.11-1woody8.

The update for the unstable distribution did not share the bug
introduced in DSA 436-1.

We recommend that you update your mailman package.

Upgrade Instructions
- --------------------

wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.

Debian GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8.dsc
      Size/MD5 checksum:      595 bef710bf0b5805d0946473c19ac42bbc
    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8.diff.gz
      Size/MD5 checksum:    31818 1f5fae277367b06965b2dc3d38fac895
    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11.orig.tar.gz
      Size/MD5 checksum:   415129 915264cb1ac8d7b78ea9eff3ba38ee04

  Alpha architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_alpha.deb
      Size/MD5 checksum:   461284 ea9daf95ebb6f6c15b64d93fc6a75dae

  ARM architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_arm.deb
      Size/MD5 checksum:   458966 89dc55b67c3f7b6156dfb93eeab2a209

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_i386.deb
      Size/MD5 checksum:   458964 63db95b7687b1b8f6a222b49dde4e584

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_ia64.deb
      Size/MD5 checksum:   461790 d651a19c06cba8ef5b12845df0cdf386

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_hppa.deb
      Size/MD5 checksum:   459512 afddeae9eff5820d7de74ad6a6753d16

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_m68k.deb
      Size/MD5 checksum:   459102 8266eaefb8e56631b3761e30e6bb3095

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_mips.deb
      Size/MD5 checksum:   459502 9896dbddb5704e7ecf6de3524ab6d225

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_mipsel.deb
      Size/MD5 checksum:   459336 a091672c96a16bfc42d807b4a2a99a11

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_powerpc.deb
      Size/MD5 checksum:   459788 4ef14c3ee4845e039f1143e897f42c12

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_s390.deb
      Size/MD5 checksum:   459790 b17c89f584242c502ff6b9ddac43814d

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody8_sparc.deb
      Size/MD5 checksum:   464280 27935cf8280a793d24fe8ea188f77de4

  These files will probably be moved into the stable distribution on
  its next revision.

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)

iD8DBQFAN+LaArxCt0PiXR4RAr4tAJ9b6u4rcxBpm67FIfCVVxF1PHmDVgCghfST
gZeZw3WZTRbc9iZwIqe1hiE=
=Y0M7
-----END PGP SIGNATURE-----


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