CVE-2020-6399: Input Validation
An insufficient policy enforcement flaw was found in the AppCache component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=1039869
External References:
https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html
Other sources
Insufficient policy enforcement in AppCache in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data 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/appcache (Google Chrome)to a version that resolves this vulnerability.Fixed in 80.0.3987.87
Event History
Frequently Asked Questions
What is the severity of CVE-2020-6399?
CVE-2020-6399 is classified as a high severity vulnerability due to its potential impact on browser security.
How do I fix CVE-2020-6399?
To fix CVE-2020-6399, update your Chromium browser or the affected package to the latest versions as recommended by your distribution.
Which versions of Chromium are affected by CVE-2020-6399?
CVE-2020-6399 affects multiple versions of Chromium, including versions prior to 90.0.4430.212 and earlier versions such as 80.0.3987.87.
What component of the Chromium browser does CVE-2020-6399 affect?
CVE-2020-6399 affects the AppCache component of the Chromium browser.
Is CVE-2020-6399 specific to a certain operating system?
CVE-2020-6399 is not specific to an operating system and can impact Chromium browsers across various platforms.