CVE-2014-3756 Denial of service in n/a
Remote attackers can cause a denial of service in the Mumble client by sending crafted strings that trigger resource consumption in Qt widgets.
- 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-2014-3756?
CVE-2014-3756 is a medium-severity denial of service vulnerability in n/a, published on 16 Nov 2014. 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 client in Mumble 1.2.x before 1.2.6 allows remote attackers to force the loading of an external file and cause a denial of service (hang and resource consumption) via a crafted string that is treated as rich-text by a Qt widget, as demonstrated by the (1) user or (2) channel name in a Qt dialog, (3) subject common name or (4) email address to the Certificate Wizard, or (5) server name in a tooltip.
Weakness: CWE-19
Which versions are affected by CVE-2014-3756?
It affects 1 product.
Products include Mumble Mumble.
How do I fix CVE-2014-3756?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2014-3756 being exploited?
There is no known exploitation of CVE-2014-3756 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2014-3756, GHSA-64pr-fwhg-9fg4, UBUNTU-CVE-2014-3756.