CVE-2022-22761Protection Mechanism Failure in Mozilla Firefox

Severity
8.8HIGHNVD
EPSS
0.3%
top 48.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 22

Description

Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages9 packages

CVEListV5mozilla/firefoxunspecified97
NVDmozilla/firefox< 97.0
CVEListV5mozilla/firefox_esrunspecified91.6
Ubuntumozilla/firefox< 97.0+build2-0ubuntu0.18.04.1+1

🔴Vulnerability Details

5
OSV
CVE-2022-22761: Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in t2022-12-22
CVEList
CVE-2022-22761: Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in t2022-12-22
GHSA
GHSA-443j-8jp8-4xch: Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in t2022-12-22
OSV
thunderbird vulnerabilities2022-03-23
OSV
firefox vulnerabilities2022-02-14

📋Vendor Advisories

7
Ubuntu
Thunderbird vulnerabilities2022-03-23
Ubuntu
Firefox vulnerabilities2022-02-14
Red Hat
Mozilla: frame-ancestors Content Security Policy directive was not enforced for framed extension pages2022-02-08
Debian
CVE-2022-22761: firefox - Web-accessible extension pages (pages with a moz-extension:// scheme) were not c...2022
Mozilla
Mozilla Foundation Security Advisory 2022-05: CVE-2022-22761
CVE-2022-22761 — Protection Mechanism Failure | cvebase