CVE-2022-45419: Medium severity firefox vulnerability

Published Nov 15, 2022
·
Updated

If the user added a security exception for an invalid TLS certificate, opened an ongoing TLS connection with a server that used that certificate, and then deleted the exception, Firefox would have kept the connection alive, making it seem like the certificate was still trusted.

Affected Software

2 affected componentsFixes available
Mozilla Firefox<107
107
Mozilla Firefox<107.0

Event History

Nov 15, 2022
CVE Published
12:00 AM
Dec 22, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2022-45419?

CVE-2022-45419 is a vulnerability in Mozilla Firefox that allows an attacker to keep an ongoing TLS connection alive even after the user has deleted a security exception for an invalid TLS certificate, making it seem like the certificate is still trusted.

2

How does CVE-2022-45419 affect Mozilla Firefox?

CVE-2022-45419 affects Mozilla Firefox by allowing an attacker to deceive the user into thinking that an invalid TLS certificate is still trusted.

3

What is the severity of CVE-2022-45419?

The severity of CVE-2022-45419 is medium, with a severity score of 6.5.

4

How can I fix CVE-2022-45419 in Mozilla Firefox?

To fix CVE-2022-45419 in Mozilla Firefox, update to version 107.0 or later.

5

Where can I get more information about CVE-2022-45419?

You can find more information about CVE-2022-45419 on the Mozilla website and in the associated security advisories.

Contact

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