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.

References

http://www.securityfocus.com/bid/100373

http://www.securitytracker.com/id/1039124

https://bugzilla.mozilla.org/show_bug.cgi?id=1367531

https://www.mozilla.org/security/advisories/mfsa2017-18/

Details

Risk Information

CVSS v2

CVSS v3