CVE-2018-18511 Information disclosure in Firefox
Attackers can read cross-origin images from canvas elements, violating same-origin policy and exposing sensitive visual data.
- 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-2018-18511?
CVE-2018-18511 is a medium-severity vulnerability in Mozilla Firefox, published on 26 Apr 2019. 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
Cross-origin images can be read from a canvas element in violation of the same-origin policy using the transferFromImageBitmap method. *Note: This only affects Firefox 65. Previous versions are unaffected.*. This vulnerability affects Firefox < 65.0.1.
Weakness: CWE-200
Which versions are affected by CVE-2018-18511?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2018-18511?
Upgrade to a fixed version.
Is CVE-2018-18511 being exploited?
There is no known exploitation of CVE-2018-18511 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2018-18511, GHSA-pp2c-fw86-vf75, UBUNTU-CVE-2018-18511.