CVE-2016-1706
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.0
- 9.6 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- EPSS
- 2.46% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- google/chrome
- Source
- chrome-cve-admin@google.com
References
- 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
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.