CVE-2021-29987

 

Published at: - 17-08-2021 10:15

Last modified: - 16-03-2022 04:13

Total changes: - 7

Description

After requesting multiple permissions, and closing the first permission panel, subsequent permission panels will be displayed in a different position but still record a click in the default location, making it possible to trick a user into accepting a permission they did not want to. *This bug only affects Firefox on Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox < 91 and Thunderbird < 91.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

 

Verification logic

 

Reference

• https://www.mozilla.org/security/advisories/mfsa2021-33/
• https://www.mozilla.org/security/advisories/mfsa2021-36/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1716129
• GLSA-202202-03-Third Party Advisory

 

Keywords

NVD

 

CVE-2021-29987

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures