CVE-2004-0765
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.03% probability · 62th percentile
- CISA KEV
- Not listed
- Affected
- mozilla/firefox · mozilla/mozilla · mozilla/thunderbird
- Source
- cve@mitre.org
References
- http://bugzilla.mozilla.org/show_bug.cgi?id=234058Patch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=109900315219363&w=2
- http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7
- http://www.novell.com/linux/security/advisories/2004_36_mozilla.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2004-421.htmlPatch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16868
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11162
- http://bugzilla.mozilla.org/show_bug.cgi?id=234058Patch, Vendor Advisory
- http://marc.info/?l=bugtraq&m=109900315219363&w=2
- http://www.mozilla.org/projects/security/known-vulnerabilities.html#mozilla1.7
- http://www.novell.com/linux/security/advisories/2004_36_mozilla.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2004-421.htmlPatch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16868
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11162
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.