PT-2021-6780 · Mozilla+5 · Thunderbird+6
Irvan Kurniawan
·
Published
2021-06-12
·
Updated
2024-12-12
·
CVE-2021-29987
CVSS v2.0
7.1
High
| Vector | AV:N/AC:M/Au:N/C:C/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 91
Thunderbird versions prior to 91
Description
The issue is related to the incorrect handling of multiple permission panels in Firefox and Thunderbird, allowing an attacker to trick a user into accepting unwanted permissions. This can lead to unauthorized access to confidential data. The problem specifically affects Firefox on Linux, with other operating systems being unaffected.
Recommendations
For Firefox versions prior to 91, update to version 91 or later to resolve the issue.
For Thunderbird versions prior to 91, update to version 91 or later to resolve the issue.
As a temporary workaround, consider avoiding the use of multiple permission panels in Firefox on Linux until a patch is available.
Exploit
Fix
Improper Restriction of Excessive Authentication Attempts
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Firefox
Linuxmint
Suse
Thunderbird
Ubuntu