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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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-345CWE-345

How to fix

Update
  • mozilla firefox102.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 102.0102.0

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