CVE-2018-12370 Information

Description

In Reader View SameSite cookie protections are not checked on exiting. This allows for a payload to be triggered when Reader View is exited if loaded by a malicious site while Reader mode is active bypassing CSRF protections. This vulnerability affects Firefox 61.

CVSS Vector

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

Reference

http://www.securitytracker.com/id/1041193 https://bugzilla.mozilla.org/show_bug.cgi?id=1456652 https://security.gentoo.org/glsa/201810-01 https://usn.ubuntu.com/3705-1/ https://www.mozilla.org/security/advisories/mfsa2018-15/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8