CVE-2016-1949 Information

Description

Mozilla Firefox before 44.0.2 does not properly restrict the interaction between Service Workers and plugins which allows remote attackers to bypass the Same Origin Policy via a crafted web site that triggers spoofed responses to requests that use NPAPI as demonstrated by a request for a crossdomain.xml file.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-updates/2016-02/msg00102.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00142.html http://www.mozilla.org/security/announce/2016/mfsa2016-13.html http://www.securitytracker.com/id/1035007 http://www.ubuntu.com/usn/USN-2893-1 https://bugzilla.mozilla.org/show_bug.cgi?id=1245724 https://security.gentoo.org/glsa/201605-06

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