The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
References
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1857430 | Issue Tracking Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2023-49/ | Release Notes Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2023-50/ | Release Notes Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2023-52/ | Release Notes Vendor Advisory |
| https://www.debian.org/security/2023/dsa-5561 | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html | Mailing List |
| https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Information
Published : 2023-11-21 15:15
Updated : 2023-11-30 16:15
NVD link : CVE-2023-6206
Mitre link : CVE-2023-6206
JSON object : View
Products Affected
mozilla
- firefox_esr
- thunderbird
- firefox
debian
- debian_linux
CWE
CWE-1021
Improper Restriction of Rendered UI Layers or Frames
