CVE-2009-2061 Cross-site scripting in n/a
Man-in-the-middle attackers can execute arbitrary web script in an HTTPS site's context by manipulating HTTP CONNECT responses before SSL handshake completion.
- 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-2009-2061?
CVE-2009-2061 is a critical cross-site scripting vulnerability in Mozilla Firefox, published on 15 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 before 3.0.10 processes a 3xx HTTP CONNECT response before a successful SSL handshake, which allows man-in-the-middle attackers to execute arbitrary web script, in an https site's context, by modifying this CONNECT response to specify a 302 redirect to an arbitrary https web site.
Weakness: CWE-310
Which versions are affected by CVE-2009-2061?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2009-2061?
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-2009-2061 being exploited?
There is no known exploitation of CVE-2009-2061 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-9v88-wfr2-2gxh.