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TUCoPS :: Linux :: Gentoo :: hack0519.htm

Opera: Multiple spoofing vulnerabilities GLSA 200407-15



[ GLSA 200407-15 ] Opera: Multiple spoofing vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 200407-15
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                                            http://security.gentoo.org/ 
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  Severity: Normal
     Title: Opera: Multiple spoofing vulnerabilities
      Date: July 20, 2004
      Bugs: #56311, #56109
        ID: 200407-15

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Synopsis
========

Opera contains three vulnerabilities, allowing an attacker to
impersonate legitimate websites with URI obfuscation or to spoof
websites with frame injection.

Background
==========

Opera is a multi-platform web browser.

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

    -------------------------------------------------------------------
     Package        /   Vulnerable   /                      Unaffected
    -------------------------------------------------------------------
  1  net-www/opera        <= 7.52                              >= 7.53

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

Opera fails to remove illegal characters from an URI of a link and to
check that the target frame of a link belongs to the same website as
the link. Opera also updates the address bar before loading a page.
Additionally, Opera contains a certificate verification problem.

Impact
======

These vulnerabilities could allow an attacker to impersonate legitimate
websites to steal sensitive information from users. This could be done
by obfuscating the real URI of a link or by injecting a malicious frame
into an arbitrary frame of another browser window.

Workaround
==========

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

Resolution
==========

All Opera users should upgrade to the latest stable version:

    # emerge sync

    # emerge -pv ">=net-www/opera-7.53"
    # emerge ">=net-www/opera-7.53"

References
==========

  [ 1 ] Bugtraq Announcement
        http://www.securityfocus.com/bid/10517 
  [ 2 ] Secunia Advisory SA11978
        http://secunia.com/advisories/11978/ 
  [ 3 ] Secunia Advisory SA12028
        http://secunia.com/advisories/12028/ 
  [ 4 ] Opera Changelog
        http://www.opera.com/linux/changelogs/753/ 

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

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

    http://security.gentoo.org/glsa/glsa-200407-15.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 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/1.0 
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