CVE-2016-9064 Security feature bypass in Firefox
Man-in-the-middle attackers can bypass add-on ID verification to install malicious signed add-ons, requiring certificate pinning defeat.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-9064?
CVE-2016-9064 is a medium-severity vulnerability in Mozilla Firefox, published on 11 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Add-on updates failed to verify that the add-on ID inside the signed package matched the ID of the add-on being updated. An attacker who could perform a man-in-the-middle attack on the user's connection to the update server and defeat the certificate pinning protection could provide a malicious signed add-on instead of a valid update. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.
Weakness: CWE-295
Which versions are affected by CVE-2016-9064?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2016-9064?
Upgrade to a fixed version.
Is CVE-2016-9064 being exploited?
There is no known exploitation of CVE-2016-9064 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2016-9064, GHSA-pc4v-68rv-24q5, UBUNTU-CVE-2016-9064.