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    CVE-2005-0233

    The International Domain Name (IDN) support in Firefox 1.0, Camino .8.5, and Mozilla before 1.7.6 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks.

    Published:Feb 7, 2005
    Last Modified:Apr 16, 2026
    EPS:Feb 7, 2005
    EPSS Score:0.08584
    CVSS Score:7.5

    Affected Products

    Vendor
    Mozilla
    Product
    Camino
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Mozilla
    Vendor
    Omnigroup
    Product
    Omniweb
    Vendor
    Opera
    Product
    Opera Browser
    Vendor
    Opera Software
    Product
    Opera Web Browser
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.htmlhttp://www.gentoo.org/security/en/glsa/glsa-200503-10.xmlhttp://www.gentoo.org/security/en/glsa/glsa-200503-30.xmlhttp://www.mozilla.org/security/announce/mfsa2005-29.htmlhttp://www.novell.com/linux/security/advisories/2005_16_mozilla_firefox.htmlhttp://www.shmoo.com/idnhttp://www.shmoo.com/idn/homograph.txthttp://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.htmlhttp://www.gentoo.org/security/en/glsa/glsa-200503-10.xmlhttp://www.gentoo.org/security/en/glsa/glsa-200503-30.xmlhttp://www.mozilla.org/security/announce/mfsa2005-29.htmlhttp://www.novell.com/linux/security/advisories/2005_16_mozilla_firefox.htmlhttp://www.shmoo.com/idnhttp://www.shmoo.com/idn/homograph.txt

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.html
    http://marc.info/?l=bugtraq&m=110782704923280&w=2
    http://www.gentoo.org/security/en/glsa/glsa-200503-10.xml
    http://www.gentoo.org/security/en/glsa/glsa-200503-30.xml
    http://www.mozilla.org/security/announce/mfsa2005-29.html
    http://www.novell.com/linux/security/advisories/2005_16_mozilla_firefox.html
    http://www.redhat.com/support/errata/RHSA-2005-176.html
    http://www.redhat.com/support/errata/RHSA-2005-384.html
    http://www.securityfocus.com/bid/12461
    http://www.shmoo.com/idn
    http://www.shmoo.com/idn/homograph.txt
    https://exchange.xforce.ibmcloud.com/vulnerabilities/19236
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100029
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11229
    http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.html
    http://marc.info/?l=bugtraq&m=110782704923280&w=2
    http://www.gentoo.org/security/en/glsa/glsa-200503-10.xml
    http://www.gentoo.org/security/en/glsa/glsa-200503-30.xml
    http://www.mozilla.org/security/announce/mfsa2005-29.html
    http://www.novell.com/linux/security/advisories/2005_16_mozilla_firefox.html
    http://www.redhat.com/support/errata/RHSA-2005-176.html
    http://www.redhat.com/support/errata/RHSA-2005-384.html
    http://www.securityfocus.com/bid/12461
    http://www.shmoo.com/idn
    http://www.shmoo.com/idn/homograph.txt
    https://exchange.xforce.ibmcloud.com/vulnerabilities/19236
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100029
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11229

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High