Firefox 121: New Notice System for Fullscreen Mode Transition
CVE-2024-8388

5.3MEDIUM

Key Information:

Vendor

Mozilla
Status
Firefox
Vendor
CVE Published:
3 September 2024

What is CVE-2024-8388?

Multiple prompts and panels from both Firefox and the Android OS could be used to obscure the notification announcing the transition to fullscreen mode after the fix for CVE-2023-6870 in Firefox 121. This could lead to spoofing the browser UI if the sudden appearance of the prompt distracted the user from noticing the visual transition happening behind the prompt. These notifications now use the Android Toast feature. This bug only affects Firefox on Android. Other operating systems are unaffected. This vulnerability affects Firefox < 130.

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Affected Version(s)

Firefox < 130

References

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1839074%2...
https://bugzilla.mozilla.org/show_bug.cgi?id=1902996
https://www.mozilla.org/security/advisories/mfsa2024-39/

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Shaheen Fazim, Raphael Saniyazov, Rifa&apos;i Rejal Maynando, James Lee, P Umar Farooq, Hafiizh
JSON
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