CVE-2012-3984 Cross-site scripting in n/a
Remote attackers can spoof page content in Firefox, Thunderbird, and SeaMonkey by exploiting improper handling of active SELECT menus during navigation.
- 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-2012-3984?
CVE-2012-3984 is a medium-severity cross-site scripting vulnerability in Canonical Ubuntu Linux, published on 10 Oct 2012. 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 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly handle navigation away from a web page that has a SELECT element's menu active, which allows remote attackers to spoof page content via vectors involving absolute positioning and scrolling.
Which versions are affected by CVE-2012-3984?
It affects 6 products.
Products include Canonical Ubuntu Linux, Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird, Suse Linux Enterprise Desktop, Suse Linux Enterprise Server.
How do I fix CVE-2012-3984?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2012-3984 being exploited?
There is no known exploitation of CVE-2012-3984 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-m3hq-4m6f-jcr6.