CVE-2015-2743 Security feature bypass in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary code by bypassing Same Origin Policy in Firefox's PDF.js component, requiring user interaction to view a malicious PDF.

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-2015-2743?

CVE-2015-2743 is a high-severity vulnerability in Mozilla Firefox, published on 6 Jul 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

PDF.js in Mozilla Firefox before 39.0 and Firefox ESR 31.x before 31.8 and 38.x before 38.1 enables excessive privileges for internal Workers, which might allow remote attackers to execute arbitrary code by leveraging a Same Origin Policy bypass.

Weakness: CWE-17

Which versions are affected by CVE-2015-2743?

It affects 6 products.

Products include Mozilla Firefox, Mozilla Firefox Esr, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Server, Novell Suse Linux Enterprise Software Development Kit, Oracle Solaris.

How do I fix CVE-2015-2743?

Upgrade to a fixed version.

Is CVE-2015-2743 being exploited?

There is no known exploitation of CVE-2015-2743 in the wild and no public exploit code.

All Mozilla Firefox vulnerabilities

Sources

Also known as GHSA-mqxq-gfh9-3ffc, UBUNTU-CVE-2015-2743.

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