CVE-2013-1720 Memory corruption in n/a
Remote attackers can execute arbitrary code or cause denial of service via heap-based buffer over-read in Firefox HTML5 Tree Builder.
- 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-2013-1720?
CVE-2013-1720 is a medium-severity memory corruption vulnerability in Mozilla Firefox, published on 18 Sep 2013. 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 nsHtml5TreeBuilder::resetTheInsertionMode function in the HTML5 Tree Builder in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21 does not properly maintain the state of the insertion-mode stack for template elements, which allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer over-read) by triggering use of this stack in its empty state.
Weakness: CWE-119
Which versions are affected by CVE-2013-1720?
It affects 3 products.
Products include Mozilla Firefox, Mozilla Seamonkey, Mozilla Thunderbird.
How do I fix CVE-2013-1720?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-1720 being exploited?
There is no known exploitation of CVE-2013-1720 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-42xr-fff6-m3hh.