CVE-2021-38497 — Origin Validation Error in Mozilla Firefox

CWE-346 — Origin Validation ErrorCWE-1021 — UI Misrepresentation / Clickjacking13 documents8 sources
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.2%
top 58.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedNov 3
Latest updateMay 24

Description

Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages8 packages

▶CVEListV5mozilla/firefoxunspecified — 93
▶NVDmozilla/firefox< 93.0
▶CVEListV5mozilla/firefox_esrunspecified — 91.2
▶Ubuntumozilla/firefox< 93.0+build1-0ubuntu0.18.04.1+1

🔴Vulnerability Details

4
GHSA
GHSA-qmc5-2jh2-rpcw: Through use of reportValidity() and window↗2022-05-24
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OSV
thunderbird vulnerabilities↗2022-01-21
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CVEList
CVE-2021-38497: Through use of reportValidity() and window↗2021-11-03
▶
OSV
CVE-2021-38497: Through use of reportValidity() and window↗2021-11-03
▶

📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities↗2022-01-21
▶
Ubuntu
Thunderbird vulnerabilities↗2021-11-03
▶
Ubuntu
Firefox vulnerabilities↗2021-10-07
▶
Red Hat
Mozilla: Validation message could have been overlaid on another origin↗2021-10-05
▶
Debian
CVE-2021-38497: firefox - Through use of reportValidity() and window.open(), a plain-text validation messa...↗2021
▶
CVE-2021-38497 — Origin Validation Error in Mozilla | cvebase