CVE-2016-1706 Information

Description

The PPAPI implementation in Google Chrome before 52.0.2743.82 does not validate the origin of IPC messages to the plugin broker process that should have come from the browser process which allows remote attackers to bypass a sandbox protection mechanism via an unexpected message type related to broker_process_dispatcher.cc ppapi_plugin_process_host.cc ppapi_thread.cc and render_frame_message_filter.cc.

CVSS Vector

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

Reference

http://googlechromereleases.blogspot.com/2016/07/stable-channel-update.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00028.html http://rhn.redhat.com/errata/RHSA-2016-1485.html http://www.debian.org/security/2016/dsa-3637 http://www.securitytracker.com/id/1036428 http://www.ubuntu.com/usn/USN-3041-1 https://codereview.chromium.org/2069853002/ https://crbug.com/610600

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.6