CVE-2022-34476 — Improper Input Validation in Mozilla Firefox

CWE-20 — Improper Input Validation7 documents6 sources
Severity
9.8CRITICALNVD
OSV8.8
EPSS
0.6%
top 30.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla FirefoxDebian Firefox
Timeline
PublishedDec 22

Description

ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have resulted in the parser accepting malformed ASN.1. This vulnerability affects Firefox < 102.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

▶debiandebian/firefox< firefox 102.0-1 (sid)
▶CVEListV5mozilla/firefoxunspecified — 102
▶NVDmozilla/firefox< 102.0
▶Ubuntumozilla/firefox< 102.0+build2-0ubuntu0.18.04.1+1
▶mozillamozilla/firefox

🔴Vulnerability Details

3
GHSA
GHSA-prww-hcp7-652r: ASN↗2022-12-22
▶
OSV
CVE-2022-34476: ASN↗2022-07-05
▶
OSV
firefox vulnerabilities↗2022-07-05
▶

📋Vendor Advisories

3
Ubuntu
Firefox vulnerabilities↗2022-07-05
▶
Debian
CVE-2022-34476: firefox - ASN.1 parsing of an indefinite SEQUENCE inside an indefinite GROUP could have re...↗2022
▶
Mozilla
Mozilla Foundation Security Advisory 2022-24: CVE-2022-34476↗
▶