CVE-2022-34471 — Insufficient Verification of Data Authenticity in Mozilla Firefox
Severity
6.5MEDIUMNVD
OSV8.8
EPSS
0.2%
top 61.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 22
Description
When downloading an update for an addon, the downloaded addon update's version was not verified to match the version selected from the manifest. If the manifest had been tampered with on the server, an attacker could trick the browser into downgrading the addon to a prior version. This vulnerability affects Firefox < 102.
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 Packages5 packages
🔴Vulnerability Details
3GHSA▶
GHSA-4h8f-5jwq-q4wm: When downloading an update for an addon, the downloaded addon update's version was not verified to match the version selected from the manifest↗2022-12-22
OSV▶
CVE-2022-34471: When downloading an update for an addon, the downloaded addon update's version was not verified to match the version selected from the manifest↗2022-07-05