CVE-2012-0451 Cross-site scripting in n/a
Remote attackers can bypass Content Security Policy restrictions and execute cross-site scripting attacks via crafted HTTP headers in Mozilla browsers.
- 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-2012-0451?
CVE-2012-0451 is a medium-severity cross-site scripting vulnerability in Mozilla Firefox, published on 14 Mar 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
CRLF injection vulnerability in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 allows remote web servers to bypass intended Content Security Policy (CSP) restrictions and possibly conduct cross-site scripting (XSS) attacks via crafted HTTP headers.
Weakness: CWE-94
Which versions are affected by CVE-2012-0451?
It affects 5 products.
Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Seamonkey, Mozilla Thunderbird, Mozilla Thunderbird Esr.
How do I fix CVE-2012-0451?
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-2012-0451 being exploited?
There is no known exploitation of CVE-2012-0451 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-w37r-x9rf-6846.