CVE-2018-12364 Cross-site request forgery in Firefox

High 8.8 Published Updated

Malicious sites can bypass CORS restrictions via NPAPI plugins to perform cross-site request forgery attacks against users of affected browsers.

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-2018-12364?

CVE-2018-12364 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 18 Oct 2018. 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

NPAPI plugins, such as Adobe Flash, can send non-simple cross-origin requests, bypassing CORS by making a same-origin POST that does a 307 redirect to the target site. This allows for a malicious site to engage in cross-site request forgery (CSRF) attacks. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.

Weakness: CWE-352

Which versions are affected by CVE-2018-12364?

It affects 11 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Redhat Enterprise Linux Desktop and 5 more.

How do I fix CVE-2018-12364?

Upgrade to a fixed version.

Is CVE-2018-12364 being exploited?

There is no known exploitation of CVE-2018-12364 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-12364, GHSA-xf8j-qg2r-c2q8, UBUNTU-CVE-2018-12364.

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