CVE-2016-1622 Information

Description

The Extensions subsystem in Google Chrome before 48.0.2564.109 does not prevent use of the Object.defineProperty method to override intended extension behavior which allows remote attackers to bypass the Same Origin Policy via crafted JavaScript code.

CVSS Vector

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

Reference

http://googlechromereleases.blogspot.com/2016/02/stable-channel-update_9.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00104.html http://lists.opensuse.org/opensuse-updates/2016-02/msg00119.html http://rhn.redhat.com/errata/RHSA-2016-0241.html http://www.debian.org/security/2016/dsa-3486 http://www.securityfocus.com/bid/83125 http://www.securitytracker.com/id/1035183 https://code.google.com/p/chromium/issues/detail?id=546677 https://codereview.chromium.org/1417513003 https://security.gentoo.org/glsa/201603-09

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