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Hash: SHA1

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Gentoo Linux Security Advisory                           GLSA 200406-15
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Usermin: Multiple vulnerabilities
      Date: June 18, 2004
      Bugs: #54030
        ID: 200406-15

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Synopsis
========

Usermin contains two security vulnerabilities which could lead to a
Denial of Service attack and information disclosure.

Background
==========

Usermin is a web-based administration tool for Unix. It supports a wide
range of user applications including configuring mail forwarding,
setting up SSH or reading mail.

Affected packages
=================

    -------------------------------------------------------------------
     Package            /   Vulnerable   /                  Unaffected
    -------------------------------------------------------------------
  1  app-admin/usermin      <= 1.070-r1                       >= 1.080

Description
===========

Usermin contains two security vulnerabilities. One fails to properly
sanitize email messages that contain malicious HTML or script code and
the other could allow an attacker to lock out a valid user by sending
an invalid username and password.

Impact
======

By sending a specially crafted e-mail, an attacker can execute
arbitrary scripts running in the context of the victim's browser. This
can be lead to cookie theft and potentially to compromise of user
accounts. Furthermore, an attacker could lock out legitimate users by
sending invalid login information.

Workaround
==========

There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version.

Resolution
==========

Usermin users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=app-admin/usermin-1.080"
    # emerge ">=app-admin/usermin-1.080"

References
==========

  [ 1 ] Bugtraq Announcement
        http://www.securityfocus.com/bid/10521
  [ 2 ] SNS Advisory

http://www.lac.co.jp/security/csl/intelligence/SNSadvisory_e/75_e.html

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

     http://security.gentoo.org/glsa/glsa-200406-15.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2004 Gentoo Technologies, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/1.0

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