CVE-2005-0233

Name: CVE-2005-0233
Creator: NVD / NIST
Published: 2005-02-08T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 20.40%

Last modified Jun 16, 2026

CVE-2005-0233 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 20.40% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

20.40%

97.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Camino	0.8.5
Mozilla	Firefox	1.0
Mozilla	Mozilla	< 1.7.6
Omnigroup	Omniweb	5
Opera	Opera Browser	<= 7.54
Opera Software	Opera Web Browser	7.54

References

http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.htmlBroken Link, Exploit, Vendor Advisory
http://marc.info/?l=bugtraq&m=110782704923280&w=2Mailing List
http://www.gentoo.org/security/en/glsa/glsa-200503-10.xmlExploit, Patch, Third Party Advisory, Vendor Advisory
http://www.gentoo.org/security/en/glsa/glsa-200503-30.xmlExploit, Patch, Third Party Advisory, Vendor Advisory
http://www.mozilla.org/security/announce/mfsa2005-29.htmlExploit, Patch, Third Party Advisory, Vendor Advisory
http://www.novell.com/linux/security/advisories/2005_16_mozilla_firefox.htmlBroken Link, Exploit, Patch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-176.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2005-384.htmlBroken Link
http://www.securityfocus.com/bid/12461Broken Link, Third Party Advisory, VDB Entry
http://www.shmoo.com/idnBroken Link, Exploit, Vendor Advisory
http://www.shmoo.com/idn/homograph.txtBroken Link, Exploit, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/19236Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100029Tool Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11229Tool Signature
http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.htmlBroken Link, Exploit, Vendor Advisory
http://marc.info/?l=bugtraq&m=110782704923280&w=2Mailing List
http://www.gentoo.org/security/en/glsa/glsa-200503-10.xmlExploit, Patch, Third Party Advisory, Vendor Advisory
http://www.gentoo.org/security/en/glsa/glsa-200503-30.xmlExploit, Patch, Third Party Advisory, Vendor Advisory
http://www.mozilla.org/security/announce/mfsa2005-29.htmlExploit, Patch, Third Party Advisory, Vendor Advisory
http://www.novell.com/linux/security/advisories/2005_16_mozilla_firefox.htmlBroken Link, Exploit, Patch, Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-176.htmlBroken Link
http://www.redhat.com/support/errata/RHSA-2005-384.htmlBroken Link
http://www.securityfocus.com/bid/12461Broken Link, Third Party Advisory, VDB Entry
http://www.shmoo.com/idnBroken Link, Exploit, Vendor Advisory
http://www.shmoo.com/idn/homograph.txtBroken Link, Exploit, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/19236Third Party Advisory, VDB Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100029Tool Signature
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11229Tool Signature

Timeline

Published: Feb 8, 2005
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2005-0233?

How severe is CVE-2005-0233?

Severity scoring for CVE-2005-0233 is pending analysis. The EPSS model estimates a 20.40% probability of exploitation in the next 30 days.

How do I fix CVE-2005-0233?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2005-0233?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST