CVE-2022-34471

medium

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.

References

https://www.mozilla.org/security/advisories/mfsa2022-24/

https://bugzilla.mozilla.org/show_bug.cgi?id=1766047

Details

Source: Mitre, NVD

Published: 2022-12-22

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

Severity: High

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Severity: Medium