CVE-2017-7808

MEDIUM

Firefox < 55.0 - Cross-Origin Information Leak via CSP frame-ancestors Path Comparison

Title source: llm
STIX 2.1

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 (4)

Core 4
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1367531
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/100373
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-18/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039124

Scores

CVSS v3 5.3
EPSS 0.0013
EPSS Percentile 31.2%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-346 CWE-200
Status published
Products (1)
mozilla/firefox < 55.0
Published Jun 11, 2018
Tracked Since Feb 18, 2026