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Vulnerability record · CVE-2005-0236 · published 2 May 2005

CVE-2005-0236: Omnigroup omniweb vulnerability

Omnigroup · Omniweb

The International Domain Name (IDN) support in Omniweb 5 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.

5.0 CVSS 2.0 Medium EPSS 1.0% · top 38.5%
5.0CVSS 2.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

The International Domain Name (IDN) support in Omniweb 5 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.

AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.html ExploitVendor Advisory
http://marc.info/?l=bugtraq&m=110782704923280&w=2
http://www.securityfocus.com/bid/12461
http://www.shmoo.com/idn Exploit
http://www.shmoo.com/idn/homograph.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/19236
http://lists.grok.org.uk/pipermail/full-disclosure/2005-February/031459.html ExploitVendor Advisory
http://marc.info/?l=bugtraq&m=110782704923280&w=2
http://www.securityfocus.com/bid/12461
http://www.shmoo.com/idn Exploit
http://www.shmoo.com/idn/homograph.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/19236

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2007-0342Apple safari null pointer dereference vulnerabilityWebCore in Apple WebKit build 18794 allows remote attackers to cause a denial of service (null dereference and application crash) via a TD element wi…EPSS 2.3%7.5CVE-2005-0233Mozilla camino vulnerabilityThe 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…EPSS 20%6.8CVE-2007-0148Omnigroup omniweb vulnerabilityFormat string vulnerability in OmniGroup OmniWeb 5.5.1 allows remote attackers to cause a denial of service (application crash) or execute arbitrary …EPSS 6.3%5.0CVE-2010-1102Omnigroup omniweb vulnerabilityInteger overflow in OmniWeb allows remote attackers to bypass intended port restrictions on outbound TCP connections via a port number outside the ra…EPSS 1.3%5.0CVE-2005-0238Gnome epiphany vulnerabilityThe International Domain Name (IDN) support in Epiphany allows remote attackers to spoof domain names using punycode encoded domain names that are de…EPSS 1.6%5.0CVE-2005-0976Apple safari vulnerabilityAppleWebKit (WebCore and WebKit), as used in multiple products such as Safari 1.2 and OmniGroup OmniWeb 5.1, allows remote attackers to read arbitrar…EPSS 1.8%

Source: NIST National Vulnerability Database (record CVE-2005-0236), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.