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Category:   Application (E-mail Server)  >   Mailman Vendors:   GNU [multiple authors]
(Debian Issues Fix) Mailman E-Mail Command Processing Flaw Lets Remote Users Crash the Service
SecurityTracker Alert ID:  1008984
SecurityTracker URL:  http://securitytracker.com/id/1008984
CVE Reference:   CVE-2003-0991   (Links to External Site)
Updated:  Feb 22 2004
Original Entry Date:  Feb 9 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:   [Editor's note: Debian has indicated that the fix described in DSA 436-1 contains a flaw. They have issued a new fix (DSA 436-2), which is described in our Alert ID 1009162; see the Message History.]

Debian has released a fix for the current stable distribution (woody) in version 2.0.11-1woody7. For the unstable distribution (sid), CVE-2003-0991 will be fixed soon.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7.dsc
Size/MD5 checksum: 595 c065353b3cc8462611f585c6eb5ccc43
http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7.diff.gz
Size/MD5 checksum: 31726 c7b00ed98949a0c1a6ad45a6ba22023d
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_2.0.11-1woody7_alpha.deb
Size/MD5 checksum: 461206 9aa80ef9631d05c03282140cdf7f6a99

ARM architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_arm.deb
Size/MD5 checksum: 458902 abdcfec853f9601645a8bd0929c03531

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_i386.deb
Size/MD5 checksum: 458912 51f87418e0e3f56c7b7a5905a4457b3a

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_ia64.deb
Size/MD5 checksum: 461720 3a0b6936743fea1b99792809fe30fd45

HP Precision architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_hppa.deb
Size/MD5 checksum: 459454 0df2f1cb9abbce760a6e01e7cc0ff96f

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_m68k.deb
Size/MD5 checksum: 458996 8333eb0b5eefea56922952e21d6fa1a7

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_mips.deb
Size/MD5 checksum: 459442 9f10739182c97b12fea781bb6e6bd0bb

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_2.0.11-1woody7_powerpc.deb
Size/MD5 checksum: 459744 09e1f59de9a974e43ce1f4616546d4e5

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_s390.deb
Size/MD5 checksum: 459750 e868d1807361981e8902ae859a1f044f

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_sparc.deb
Size/MD5 checksum: 464212 634004546cf05739d91146dde8910701

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 436-1] New mailman packages fix several vulnerabilities


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 436-1                     security@debian.org
http://www.debian.org/security/                             Matt Zimmerman
February 8th, 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.

For the current stable distribution (woody) these problems have been
fixed in version 2.0.11-1woody7.

For the unstable distribution (sid), CAN-2003-0965 is fixed in version
2.1.4-1, and CAN-2003-0038 in version 2.1.1-1.  CAN-2003-0991 will be
fixed soon.

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_2.0.11-1woody7.dsc
      Size/MD5 checksum:      595 c065353b3cc8462611f585c6eb5ccc43
    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7.diff.gz
      Size/MD5 checksum:    31726 c7b00ed98949a0c1a6ad45a6ba22023d
    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_2.0.11-1woody7_alpha.deb
      Size/MD5 checksum:   461206 9aa80ef9631d05c03282140cdf7f6a99

  ARM architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_arm.deb
      Size/MD5 checksum:   458902 abdcfec853f9601645a8bd0929c03531

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_i386.deb
      Size/MD5 checksum:   458912 51f87418e0e3f56c7b7a5905a4457b3a

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_ia64.deb
      Size/MD5 checksum:   461720 3a0b6936743fea1b99792809fe30fd45

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_hppa.deb
      Size/MD5 checksum:   459454 0df2f1cb9abbce760a6e01e7cc0ff96f

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_m68k.deb
      Size/MD5 checksum:   458996 8333eb0b5eefea56922952e21d6fa1a7

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_mips.deb
      Size/MD5 checksum:   459442 9f10739182c97b12fea781bb6e6bd0bb

  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_2.0.11-1woody7_powerpc.deb
      Size/MD5 checksum:   459744 09e1f59de9a974e43ce1f4616546d4e5

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_s390.deb
      Size/MD5 checksum:   459750 e868d1807361981e8902ae859a1f044f

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody7_sparc.deb
      Size/MD5 checksum:   464212 634004546cf05739d91146dde8910701

  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)

iD8DBQFAJrwxArxCt0PiXR4RAjt8AJ41+0VCMKfNWlTMl7zSAEjmqrubIACgrmD3
Edbupjw+qcfPJDPZSBpG6gI=
=DN7l
-----END PGP SIGNATURE-----


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