CVE-2014-1500 Denial of service in n/a
Remote attackers can cause browser hangs and resource exhaustion via malicious onbeforeunload events, requiring user interaction to trigger.
- 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-2014-1500?
CVE-2014-1500 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 19 Mar 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
Mozilla Firefox before 28.0 and SeaMonkey before 2.25 allow remote attackers to cause a denial of service (resource consumption and application hang) via onbeforeunload events that trigger background JavaScript execution.
Weakness: CWE-400
Which versions are affected by CVE-2014-1500?
It affects 8 products.
Products include Mozilla Firefox, Mozilla Seamonkey, Opensuse Opensuse, Opensuse Project Opensuse, Oracle Solaris, Suse Linux Enterprise Desktop and 2 more.
How do I fix CVE-2014-1500?
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-2014-1500 being exploited?
There is no known exploitation of CVE-2014-1500 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-6qpj-fh7r-r7j7.