CVE-2019-17002 Security feature bypass in Firefox

Medium 4.3 Published Updated

Dragging links from pages with upgrade-insecure-requests CSP fails to enforce HTTPS, allowing potential downgrade attacks in Firefox.

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-2019-17002?

CVE-2019-17002 is a medium-severity vulnerability in Mozilla Firefox, published on 8 Jan 2020. 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

If upgrade-insecure-requests was specified in the Content Security Policy, and a link was dragged and dropped from that page, the link was not upgraded to https. This vulnerability affects Firefox < 70.

Which versions are affected by CVE-2019-17002?

It affects 1 product.

Products include Mozilla Firefox.

How do I fix CVE-2019-17002?

Upgrade to a fixed version.

Is CVE-2019-17002 being exploited?

There is no known exploitation of CVE-2019-17002 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-hqww-p73m-wmm6, UBUNTU-CVE-2019-17002.

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