CVE-2020-6394: Medium severity Google Chrome vulnerability
An insufficient policy enforcement flaw was found in the Blink component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=1014371
External References:
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html
Other sources
Insufficient policy enforcement in Blink in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to bypass content security policy via a crafted HTML page.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/chromiumto a version that resolves this vulnerability.Fixed in 90.0.4430.212-1~deb10u1Fixed in 116.0.5845.180-1~deb11u1Fixed in 120.0.6099.129-1~deb11u1Fixed in 119.0.6045.199-1~deb12u1Fixed in 120.0.6099.129-1~deb12u1Fixed in 120.0.6099.129-1 - Upgrade
Upgrade
redhat/chromium-browserto a version that resolves this vulnerability.Fixed in 80.0.3987.87 - Upgrade
Upgrade
chromium/blinkto a version that resolves this vulnerability.Fixed in 80.0.3987.87
Event History
Frequently Asked Questions
What is CVE-2020-6394 vulnerability?
CVE-2020-6394 is an insufficient policy enforcement vulnerability in Blink in Google Chrome prior to version 80.0.3987.87.
How can a remote attacker exploit CVE-2020-6394?
A remote attacker can bypass content security policy by using a crafted HTML page.
What is the severity of CVE-2020-6394?
CVE-2020-6394 has a severity level of medium (5.4).
Which software versions are affected by CVE-2020-6394?
Google Chrome versions prior to 80.0.3987.87, Chromium versions prior to 90.0.4430.212-1~deb10u1, and other software listed in the vulnerability description.
How do I fix CVE-2020-6394?
Update your Google Chrome to version 80.0.3987.87 or later and other affected software to the recommended versions listed in the vulnerability description.