CVE-2023-4580 Push notifications saved to disk unencrypted

Medium 6.5 Published Updated

Attackers can read sensitive push notification data stored unencrypted on disk during private browsing sessions in Firefox and Thunderbird.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2023-4580?

CVE-2023-4580 is a medium-severity vulnerability in Mozilla Firefox, published on 11 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Push notifications stored on disk in private browsing mode were not being encrypted potentially allowing the leak of sensitive information. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

Weakness: CWE-311

Which versions are affected by CVE-2023-4580?

It affects 3 products.

Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.

How do I fix CVE-2023-4580?

Upgrade to a fixed version.

Is CVE-2023-4580 being exploited?

There is no known exploitation of CVE-2023-4580 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as DEBIAN-CVE-2023-4580, GHSA-x3mh-rj4c-5xpw, UBUNTU-CVE-2023-4580.

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