CVE-2023-6867

Summary

The timing of a button click causing a popup to disappear was approximately the same length as 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 ESR < 115.6 and Firefox < 121.

Affected Software

Weaknesses

• Clickjacking permission prompts using the popup transition

ADP Enrichment

CVE Program Container

Additional References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1863863
• https://www.mozilla.org/security/advisories/mfsa2023-54/
• https://www.mozilla.org/security/advisories/mfsa2023-56/
• https://www.debian.org/security/2023/dsa-5581
• https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
• https://security.gentoo.org/glsa/202401-10

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1863863
• https://www.mozilla.org/security/advisories/mfsa2023-54/
• https://www.mozilla.org/security/advisories/mfsa2023-56/
• https://www.debian.org/security/2023/dsa-5581
• https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html
• https://security.gentoo.org/glsa/202401-10

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