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UNIRAS Brief - 315/04 - Gentoo Security Advisory: 200406-15 - Usermin: Multiple vulnerabilities



 
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   UNIRAS (UK Govt CERT) Briefing Notice - 315/04 dated 22.06.04  Time: 14:05  
  UNIRAS is part of NISCC (National Infrastructure Security Co-ordination Centre)
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  UNIRAS material is also available from its website at www.uniras.gov.uk and
         Information about NISCC is available from www.niscc.gov.uk
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Title
=====

Gentoo Security Advisory: 200406-15 - Usermin: Multiple vulnerabilities


Detail
====== 

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.








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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@xxxxxxxxxx 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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For additional information or assistance, please contact the HELP Desk by 
telephone or Not Protectively Marked information may be sent via 
EMail to: uniras@xxxxxxxxxxxx

Office Hours:
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Tel: +44 (0) 20 7821 1330 Ext 4511
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Outside of Office Hours:
On Call Duty Officer:
Tel: +44 (0) 20 7821 1330 and follow the prompts

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UNIRAS wishes to acknowledge the contributions of Gentoo for the information 
contained in this Briefing. 
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This Briefing contains the information released by the original author. Some 
of the information may have changed since it was released. If the vulnerability 
affects you, it may be prudent to retrieve the advisory from the canonical site 
to ensure that you receive the most current information concerning that problem.

Reference to any specific commercial product, process, or service by trade 
name, trademark manufacturer, or otherwise, does not constitute or imply 
its endorsement, recommendation, or favouring by UNIRAS or NISCC.  The views 
and opinions of authors expressed within this notice shall not be used for 
advertising or product endorsement purposes.

Neither UNIRAS or NISCC shall also accept responsibility for any errors 
or omissions contained within this briefing notice. In particular, they shall 
not be liable for any loss or damage whatsoever, arising from or in connection 
with the usage of information contained within this notice.

UNIRAS is a member of the Forum of Incident Response and Security Teams (FIRST) 
and has contacts with other international Incident Response Teams (IRTs) in 
order to foster cooperation and coordination in incident prevention, to prompt 
rapid reaction to incidents, and to promote information sharing amongst its 
members and the community at large. 
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<End of UNIRAS Briefing>

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