CVE-2009-2953 Denial of service in n/a
Remote attackers can cause a denial of service via CPU consumption in Mozilla Firefox by exploiting JavaScript handling of long location.hash strings.
- 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-2009-2953?
CVE-2009-2953 is a medium-severity denial of service vulnerability in Mozilla Firefox, published on 24 Aug 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 3.0.6 through 3.0.13, and 3.5.x, allows remote attackers to cause a denial of service (CPU consumption) via JavaScript code with a long string value for the hash property (aka location.hash), a related issue to CVE-2008-5715.
Weakness: CWE-399
Which versions are affected by CVE-2009-2953?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2009-2953?
No fix has been published for CVE-2009-2953 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-2009-2953 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-2953 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-7wrp-3pc5-gg9v.