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Category:   Application (E-mail Server)  >   Mailman Vendors:   GNU [multiple authors]
(Debian Issues Fix) Mailman E-mail Discussion List Software Allows Remote Users to Conduct Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1005007
SecurityTracker URL:  http://securitytracker.com/id/1005007
CVE Reference:   CAN-2002-0388   (Links to External Site)
Date:  Aug 9 2002
Impact:   Disclosure of authentication information, Execution of arbitrary code via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.0.10 and prior versions
Description:   Two cross-site scripting vulnerabilities were reported in Mailman. A remote user could potentially obtain a Mailman user's authentication cookies or take actions acting as that Mailman user.

The vendor reported that there are two cross-site scripting bugs.

One bug is in the administrator login page (with source code in Utils.py). A remote user could create an HTML link referring to that page that, when loaded by a target (victim) user, would cause arbitrary scripting to be executed by the target user's browser. The code could obtain the target user's cookies associated with the site running Mailman.

The other bug is in the Pipermail archiving component of Mailman (with source code in Archiver/HyperArch.py). A remote user can create an e-mail message with encoded scripting in the 'Subject' or 'From' fields in a manner that, when it is archived and indexed by Pipermail and then a target user views the index summary, arbitrary code may be executed by the target user's browser. The code could obtain the target user's cookies associated with the site running Pipermail.

The vendor credits "office" and Tristan Roddis with reporting these flaws.

Impact:   A remote user could create an HTML link that, when loaded by the target user, would cause arbitrary scripting code to be executed by the target user's browser. A remote user could also create an e-mail message to be archived by Pipermail (the Mailman archive component) so that, when a target user views the Pipermail index summaries that include a reference to the mailcious e-mail message, arbitrary scripting code would be executed by the target user's browser.

In both cases, the code would originate or appear to originate from the server running Mailman and would execute in the security context of that site. As a result, the code would be able to access the target user's cookies associated with that site and may be able to take actions acting as the target user.

Solution:   Debian has released a fix in version 2.0.11-1woody2 for the current stable distribution (woody), in version 1.1-10.1 for the old stable distribution (woody) and in version 2.0.12-1 for the unstable distribution (sid).

Debian GNU/Linux 2.2 alias potato

Source archives:

http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1.dsc
Size/MD5 checksum: 528 91d75b840f97ab2dcd700678e5c03d4a
http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1.diff.gz
Size/MD5 checksum: 22053 adb539c2a3709490a58416ea69ec92cd
http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1.orig.tar.gz
Size/MD5 checksum: 322247 42d499f4e1de6959c50b20a4eb0f432a

Alpha architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_alpha.deb
Size/MD5 checksum: 329118 0b9ba1dc599532594dd9c30787e1fed3

ARM architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_arm.deb
Size/MD5 checksum: 327118 0ab80d4de1d9c674d7971e3cb91dca2c

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_i386.deb
Size/MD5 checksum: 328680 58aab5cf2c13a03952f22097c7224e01

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_m68k.deb
Size/MD5 checksum: 328190 84b30c21c3e0bce5b1f6f5778d4b34e7

PowerPC architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_powerpc.deb
Size/MD5 checksum: 328926 527f56d4dbe531d3889a8aaf61d73729

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_sparc.deb
Size/MD5 checksum: 334170 bcec29e94554042ba97f8330aeac04fe


Debian GNU/Linux 3.0 alias woody

Source archives:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2.dsc
Size/MD5 checksum: 595 5cceabc484906689b7408f71869dfb59
http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2.diff.gz
Size/MD5 checksum: 30899 dd977c232b4deab55ab45a39e306fa10
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_2.0.11-1woody2_alpha.deb
Size/MD5 checksum: 460872 5434c7767498b7966072d5c4f77ff22b

ARM architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_arm.deb
Size/MD5 checksum: 458520 759b2a9aa822ec6ce37087e98dcd9546

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_i386.deb
Size/MD5 checksum: 474860 ed7707ac59ea0901db6a7d4519193bdb

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_ia64.deb
Size/MD5 checksum: 461646 cb36836e6f69fc3aaaac788f4c3c2127

HP Precision architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_hppa.deb
Size/MD5 checksum: 459152 e9db053ea86b48f66e28ab0ca96bae15

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_m68k.deb
Size/MD5 checksum: 458594 db02b66740d0a14cdeda930e36cd5753

Big endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_mips.deb
Size/MD5 checksum: 459080 df466d3641c4ae760dda04f4ccc992dc

Little endian MIPS architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_mipsel.deb
Size/MD5 checksum: 459000 30d93e542c38a4f84e309b4be734e9a6

PowerPC architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_powerpc.deb
Size/MD5 checksum: 459402 c80461045c45795f74161e8d57e67c48

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_s390.deb
Size/MD5 checksum: 459366 9b36493d17289cc9711d052d3126f62a

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_sparc.deb
Size/MD5 checksum: 463924 815d11b67609df88772bc4dff5a695de

Vendor URL:  www.gnu.org/software/mailman/mailman.html (Links to External Site)
Cause:   Input validation error
Underlying OS:   Linux (Debian)

Message History:   This archive entry is a follow-up to the message listed below.
May 25 2002 Mailman E-mail Discussion List Software Allows Remote Users to Conduct Cross-Site Scripting Attacks



 Source Message Contents

Date:  Fri, 9 Aug 2002 09:15:42 +0200 (CEST)
Subject:  [SECURITY] [DSA 147-1] New mailman packages fix cross-site scripting problem


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

- --------------------------------------------------------------------------
Debian Security Advisory DSA 147-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
August 8th, 2002   
- --------------------------------------------------------------------------

Package        : mailman
Vulnerability  : cross-site scripting
Problem-Type   : remote
Debian-specific: no
CVE Id         : CAN-2002-0388

A cross-site scripting vulnerability was discovered in mailman, a
software to manage electronic mailing lists.  When a properly crafted
URL is accessed with Internet Explorer (other browsers don't seem to
be affected), the resulting webpage is rendered similar to the real
one, but the javascript component is executed as well, which could be
used by an attacker to get access to sensitive information.  The new
version for Debian 2.2 also includes backports of security related
patches from mailman 2.0.11.

This problem has been fixed in version 2.0.11-1woody2 for the current
stable distribution (woody), in version 1.1-10.1 for the old stable
distribution (woody) and in version 2.0.12-1 for the unstable
distribution (sid).

We recommend that you upgrade your mailman package.

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 2.2 alias potato
- ---------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1.dsc
      Size/MD5 checksum:      528 91d75b840f97ab2dcd700678e5c03d4a
    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1.diff.gz
      Size/MD5 checksum:    22053 adb539c2a3709490a58416ea69ec92cd
    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1.orig.tar.gz
      Size/MD5 checksum:   322247 42d499f4e1de6959c50b20a4eb0f432a

  Alpha architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_alpha.deb
      Size/MD5 checksum:   329118 0b9ba1dc599532594dd9c30787e1fed3

  ARM architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_arm.deb
      Size/MD5 checksum:   327118 0ab80d4de1d9c674d7971e3cb91dca2c

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_i386.deb
      Size/MD5 checksum:   328680 58aab5cf2c13a03952f22097c7224e01

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_m68k.deb
      Size/MD5 checksum:   328190 84b30c21c3e0bce5b1f6f5778d4b34e7

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_powerpc.deb
      Size/MD5 checksum:   328926 527f56d4dbe531d3889a8aaf61d73729

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_1.1-10.1_sparc.deb
      Size/MD5 checksum:   334170 bcec29e94554042ba97f8330aeac04fe


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

  Source archives:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2.dsc
      Size/MD5 checksum:      595 5cceabc484906689b7408f71869dfb59
    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2.diff.gz
      Size/MD5 checksum:    30899 dd977c232b4deab55ab45a39e306fa10
    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_2.0.11-1woody2_alpha.deb
      Size/MD5 checksum:   460872 5434c7767498b7966072d5c4f77ff22b

  ARM architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_arm.deb
      Size/MD5 checksum:   458520 759b2a9aa822ec6ce37087e98dcd9546

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_i386.deb
      Size/MD5 checksum:   474860 ed7707ac59ea0901db6a7d4519193bdb

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_ia64.deb
      Size/MD5 checksum:   461646 cb36836e6f69fc3aaaac788f4c3c2127

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_hppa.deb
      Size/MD5 checksum:   459152 e9db053ea86b48f66e28ab0ca96bae15

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_m68k.deb
      Size/MD5 checksum:   458594 db02b66740d0a14cdeda930e36cd5753

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_mips.deb
      Size/MD5 checksum:   459080 df466d3641c4ae760dda04f4ccc992dc

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_mipsel.deb
      Size/MD5 checksum:   459000 30d93e542c38a4f84e309b4be734e9a6

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_powerpc.deb
      Size/MD5 checksum:   459402 c80461045c45795f74161e8d57e67c48

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_s390.deb
      Size/MD5 checksum:   459366 9b36493d17289cc9711d052d3126f62a

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/m/mailman/mailman_2.0.11-1woody2_sparc.deb
      Size/MD5 checksum:   463924 815d11b67609df88772bc4dff5a695de


  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>

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Version: GnuPG v1.0.7 (GNU/Linux)

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sztXWiX/qSvWm5QLilJ5MoE=
=xM73
-----END PGP SIGNATURE-----


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