Description
The cert_TestHostName function in Mozilla before 1.7, Firefox before 0.9, and Thunderbird before 0.7, only checks the hostname portion of a certificate when the hostname portion of the URI is not a fully qualified domain name (FQDN), which allows remote attackers to spoof trusted certificates.
Published: 2004-08-03
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2004-0763 The cert_TestHostName function in Mozilla before 1.7, Firefox before 0.9, and Thunderbird before 0.7, only checks the hostname portion of a certificate when the hostname portion of the URI is not a fully qualified domain name (FQDN), which allows remote attackers to spoof trusted certificates.
History

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Subscriptions

Mozilla Firefox Mozilla Thunderbird
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T00:31:46.881Z

Reserved: 2004-08-02T00:00:00.000Z

Link: CVE-2004-0765

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2004-08-18T04:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-2004-0765

cve-icon Redhat

Severity : Low

Publid Date: 2004-02-12T00:00:00Z

Links: CVE-2004-0765 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses