CVE-2018-12370

high

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.

References

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/

Details

Source: MITRE

Published: 2018-10-18

Updated: 2018-12-06

Type: CWE-352

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH