CVE-2019-9817 Other in Firefox
Attackers can steal image data from other sites via canvas objects, violating same-origin policy in Firefox and Thunderbird.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-9817?
CVE-2019-9817 is a medium-severity vulnerability in Mozilla Firefox, published on 23 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Images from a different domain can be read using a canvas object in some circumstances. This could be used to steal image data from a different site in violation of same-origin policy. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
Weakness: CWE-346
Which versions are affected by CVE-2019-9817?
It affects 3 products.
Products include Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.
How do I fix CVE-2019-9817?
Upgrade to a fixed version.
Is CVE-2019-9817 being exploited?
There is no known exploitation of CVE-2019-9817 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as DEBIAN-CVE-2019-9817, GHSA-75px-c7r9-ghwh, UBUNTU-CVE-2019-9817.