CVE-2017-5407 Information disclosure in Firefox
A malicious page can extract pixel values from a targeted user via SVG filters, violating same-origin policy and disclosing cross-domain information.
- 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-2017-5407?
CVE-2017-5407 is a medium-severity vulnerability in Debian Debian Linux, published on 11 Jun 2018. 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
Using SVG filters that don't use the fixed point math implementation on a target iframe, a malicious page can extract pixel values from a targeted user. This can be used to extract history information and read text values across domains. This violates same-origin policy and leads to information disclosure. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
Weakness: CWE-200
Which versions are affected by CVE-2017-5407?
It affects 9 products.
Products include Debian Debian Linux, Mozilla Firefox, Mozilla Thunderbird, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server and 3 more.
How do I fix CVE-2017-5407?
Upgrade to a fixed version.
Is CVE-2017-5407 being exploited?
There is no known exploitation of CVE-2017-5407 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-5407, GHSA-92cf-2847-r49w, UBUNTU-CVE-2017-5407.