Gentoo: GLSA-200408-05: Opera: Multiple new vulnerabilities

    Date05 Aug 2004
    CategoryGentoo
    60
    Posted ByLinuxSecurity Advisories
    Several new vulnerabilities were found and fixed in Opera, including one allowing an attacker to read the local filesystem remotely.
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    Gentoo Linux Security Advisory                           GLSA 200408-05
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                                                http://security.gentoo.org/
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      Severity: Normal
         Title: Opera: Multiple new vulnerabilities
          Date: August 05, 2004
          Bugs: #59503
            ID: 200408-05
    
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    Synopsis
    ========
    
    Several new vulnerabilities were found and fixed in Opera, including
    one allowing an attacker to read the local filesystem remotely.
    
    Background
    ==========
    
    Opera is a multi-platform web browser.
    
    Affected packages
    =================
    
        -------------------------------------------------------------------
         Package        /   Vulnerable   /                      Unaffected
        -------------------------------------------------------------------
      1  net-www/opera        <= 7.53                              >= 7.54
    
    Description
    ===========
    
    Multiple vulnerabilities have been found in the Opera web browser.
    Opera fails to deny write access to the "location" browser object. An
    attacker can overwrite methods in this object and gain script access to
    any page that uses one of these methods. Furthermore, access to file://
    URLs is possible even from pages loaded using other protocols. Finally,
    spoofing a legitimate web page is still possible, despite the fixes
    announced in GLSA 200407-15.
    
    Impact
    ======
    
    By enticing an user to visit specially crafted web pages, an attacker
    can read files located on the victim's file system, read emails written
    or received by M2, Opera's mail program, steal cookies, spoof URLs,
    track user browsing history, etc.
    
    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-7.54"
        # emerge ">=net-www/opera-7.54"
    
    References
    ==========
    
      [ 1 ] Opera Changelog
            http://www.opera.com/linux/changelogs/754/
      [ 2 ] Address bar spoofing issue disclosure
    
    http://archives.neohapsis.com/archives/fulldisclosure/2004-07/1056.html
      [ 3 ] GreyMagic Security Advisory GM#008-OP
            http://www.greymagic.com/security/advisories/gm008-op/
    
    Availability
    ============
    
    This GLSA and any updates to it are available for viewing at
    the Gentoo Security Website:
    
        http://security.gentoo.org/glsa/glsa-200408-05.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
    This email address is being protected from spambots. You need JavaScript enabled to view it. 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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