CVE-2015-0820 Security feature bypass in n/a
Remote attackers can bypass Caja Compiler and Secure EcmaScript sandbox protections in Firefox by visiting a crafted website, potentially escaping the sandbox environment.
- 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-2015-0820?
CVE-2015-0820 is a low-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
Mozilla Firefox before 36.0 does not properly restrict transitions of JavaScript objects from a non-extensible state to an extensible state, which allows remote attackers to bypass a Caja Compiler sandbox protection mechanism or a Secure EcmaScript sandbox protection mechanism via a crafted web site.
Weakness: CWE-284
Which versions are affected by CVE-2015-0820?
It affects 3 products.
Products include Canonical Ubuntu Linux, Mozilla Firefox, Opensuse Opensuse.
How do I fix CVE-2015-0820?
Upgrade to a fixed version.
Is CVE-2015-0820 being exploited?
There is no known exploitation of CVE-2015-0820 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as GHSA-hqqw-w569-86hm, UBUNTU-CVE-2015-0820.