CVE-2017-7808 Information disclosure in Firefox
A flaw in Firefox's Content Security Policy allows attackers to leak path information from frame-ancestors directives, exposing sensitive URL structures.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-7808?
CVE-2017-7808 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
A content security policy (CSP) "frame-ancestors" directive containing origins with paths allows for comparisons against those paths instead of the origin. This results in a cross-origin information leak of this path information. This vulnerability affects Firefox < 55.
Which versions are affected by CVE-2017-7808?
It affects 1 product.
Products include Mozilla Firefox.
How do I fix CVE-2017-7808?
Upgrade to a fixed version.
Is CVE-2017-7808 being exploited?
There is no known exploitation of CVE-2017-7808 in the wild and no public exploit code.
Other vulnerabilities in Mozilla Firefox
Sources
Also known as GHSA-hgfv-gvcw-686v, UBUNTU-CVE-2017-7808.