CVE-2009-0821 Denial of service in n/a
Remote attackers can crash Mozilla Firefox via nested window.print calls, requiring user interaction to trigger the malicious script.
- 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
- None listed
What is CVE-2009-0821?
CVE-2009-0821 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 5 Mar 2009. 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 2.0.0.20 and earlier allows remote attackers to cause a denial of service (application crash) via nested calls to the window.print function, as demonstrated by a window.print(window.print()) in the onclick attribute of an INPUT element.
Weakness: CWE-399
Which versions are affected by CVE-2009-0821?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2009-0821?
No fix has been published for CVE-2009-0821 yet. Limit exposure of the affected software until one is available.
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-2009-0821 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-0821 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-v973-q8fj-656q.