AusCERT - ASB-2010.0252 - [Win][UNIX/Linux] Opera prior to version 11: Provide misleading information

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ASB-2010.0252 - [Win][UNIX/Linux] Opera prior to version 11: Provide misleading information - Remote with user interaction

Date: 20 December 2010

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                         AUSCERT Security Bulletin

                               ASB-2010.0252
    Opera version 11 has been released fixing multiple vulnerabilities
                             20 December 2010

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Opera prior to version 11
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Provide Misleading Information -- Remote with User Interaction
                      Access Privileged Data         -- Remote with User Interaction
                      Reduced Security               -- Unknown/Unspecified         
Resolution:           Patch/Upgrade
Member content until: Wednesday, January 19 2011

OVERVIEW

        Opera version 11 has been released fixing multiple vulnerabilities.


IMPACT

        The vendor has provided the following details regarding these
        vulnerabilities: 
        
        "* Fixed an issue where Web page content could display misleading 
           security information; see our advisory.
         * Fixed an issue which could allow leaking of WAP form content to 
           other sites; see our advisory.
         * Fixed a high severity issue; details will be disclosed at a later 
           date.
         * Fixed further high severity issues; details will be disclosed at a 
           later date." [1]


MITIGATION

        The vendor recommends upgrading to the latest version of Opera. [1,2]


REFERENCES

        [1] Opera 11.00 for Windows changelog
            http://www.opera.com/docs/changelogs/windows/1100/

        [2] Download Opera browser
            http://www.opera.com/browser/download/

AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours 
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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