CVE-2017-7842 Information

Description

If a document’s Referrer Policy attribute is set to \no-referrer\ sometimes two network requests are made for \link\ elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests. This vulnerability affects Firefox 57.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

http://www.securityfocus.com/bid/101832 http://www.securitytracker.com/id/1039803 https://bugzilla.mozilla.org/show_bug.cgi?id=1397064 https://www.mozilla.org/security/advisories/mfsa2017-24/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3