CVE-2009-1839 Security feature bypass in n/a
Attackers can bypass access restrictions to read local files via crafted HTML documents in Mozilla Firefox, requiring user interaction.
- 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-2009-1839?
CVE-2009-1839 is a medium-severity vulnerability in Mozilla Firefox, published on 12 Jun 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 before 3.0.11 associates an incorrect principal with a file: URL loaded through the location bar, which allows user-assisted remote attackers to bypass intended access restrictions and read files via a crafted HTML document, aka a "file-URL-to-file-URL scripting" attack.
Weakness: CWE-264
Which versions are affected by CVE-2009-1839?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2009-1839?
Upgrade to a fixed version.
Is CVE-2009-1839 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-1839 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-mx4x-6484-3f7v.