CVE-2015-0834 Information disclosure in n/a

Medium 4.3 Published Updated

Man-in-the-middle attackers can discover WebRTC credentials by spoofing TURN or STUN servers due to lack of TLS encryption 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-2015-0834?

CVE-2015-0834 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 25 Feb 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 WebRTC subsystem in Mozilla Firefox before 36.0 recognizes turns: and stuns: URIs but accesses the TURN or STUN server without using TLS, which makes it easier for man-in-the-middle attackers to discover credentials by spoofing a server and completing a brute-force attack within a short time window.

Weakness: CWE-200

Which versions are affected by CVE-2015-0834?

It affects 3 products.

Products include Canonical Ubuntu Linux, Mozilla Firefox, Opensuse Opensuse.

How do I fix CVE-2015-0834?

Upgrade to a fixed version.

Is CVE-2015-0834 being exploited?

There is no known exploitation of CVE-2015-0834 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as GHSA-9cm2-qg89-qv3m, UBUNTU-CVE-2015-0834.

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