CVE-2022-34471

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-24/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1766047 issue tracking permissions required vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-34471?
CVE-2022-34471 has been scored as a medium severity vulnerability.
How to fix CVE-2022-34471?
To fix CVE-2022-34471, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-34471 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-34471 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-34471?
CVE-2022-34471 affects Mozilla Firefox.
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