CVE-2015-7215 Information disclosure in n/a

Medium 5.0 Published Updated

Remote attackers can bypass Same Origin Policy in Firefox Web Workers to disclose sensitive information via fetch API exceptions.

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-2015-7215?

CVE-2015-7215 is a medium-severity vulnerability in Fedoraproject Fedora, published on 16 Dec 2015. 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

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.

Weakness: CWE-200

Which versions are affected by CVE-2015-7215?

It affects 4 products.

Products include Fedoraproject Fedora, Mozilla Firefox, Opensuse Leap, Opensuse Opensuse.

How do I fix CVE-2015-7215?

Upgrade to a fixed version.

Is CVE-2015-7215 being exploited?

There is no known exploitation of CVE-2015-7215 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as GHSA-x63v-c8hj-q3pw, UBUNTU-CVE-2015-7215.

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