[ GLSA 200412-23 ] Zwiki: XSS vulnerability

[Luke Macken <lewk () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200412-23
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: Zwiki: XSS vulnerability
      Date: December 21, 2004
      Bugs: #72315
        ID: 200412-23

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Synopsis
========

Zwiki is vulnerable to cross-site scripting attacks.

Background
==========

Zwiki is a Zope wiki-clone for easy-to-edit collaborative websites.

Affected packages
=================

    -------------------------------------------------------------------
     Package         /   Vulnerable   /                     Unaffected
    -------------------------------------------------------------------
  1  net-zope/zwiki      < 0.36.2-r1                      >= 0.36.2-r1

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

Due to improper input validation, Zwiki can be exploited to perform
cross-site scripting attacks.

Impact
======

By enticing a user to read a specially-crafted wiki entry, an attacker
can execute arbitrary script code running in the context of the
victim's browser.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Zwiki users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-zope/zwiki-0.36.2-r1"

References
==========

  [ 1 ] Zwiki Bug Report
        http://zwiki.org/925ZwikiXSSVulnerability

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

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

  http://security.gentoo.org/glsa/glsa-200412-23.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 Foundation, 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/2.0

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