Improper input validation in Google Chrome

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 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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-1706?
CVE-2016-1706 is a critical-severity vulnerability in Google Chrome, classified under Improper Input Validation. CVSS score: 9.6/10. Published 2016-07-23.
How severe is CVE-2016-1706?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2016-1706 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.