Vulnerability Description
By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Thunderbird < 128.3, and Thunderbird < 131.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 131.0 |
| Mozilla | Firefox Esr | < 128.3.0 |
| Mozilla | Thunderbird | < 128.3 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1881037Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2024-46/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-47/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-49/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-50/Vendor Advisory
FAQ
What is CVE-2024-9398?
CVE-2024-9398 is a vulnerability with a CVSS score of 5.3 (MEDIUM). By checking the result of calls to `window.open` with specifically set protocol handlers, an attacker could determine if the application which implements that protocol handler is installed. This vulne...
How severe is CVE-2024-9398?
CVE-2024-9398 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-9398?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.