CVE-2024-9398
MEDIUM severity · CVSS 5.3 · CWE-203
5.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://www.mozilla.org/security/advisories/mfsa2024-46/Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-47/Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-49/Advisory
- https://www.mozilla.org/security/advisories/mfsa2024-50/Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1881037