CVE-2020-6393: Medium severity Google Chrome vulnerability

Published Feb 10, 2020
·
Updated

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=1035058

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 leak cross-origin data via a crafted HTML page.

Affected Software

15 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1120.0.6099.129-1~deb11u1119.0.6045.199-1~deb12u1120.0.6099.129-1~deb12u1120.0.6099.129-1
redhat/chromium-browser<80.0.3987.87
80.0.3987.87
Google Chrome<80.0.3987.87
openSUSE Backports SLE=15.0-sp1
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Debian Debian Linux=9.0
Debian Debian Linux=10.0
SUSE Package Hub
SUSE Linux Enterprise=12.0
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Server=6.0
redhat Enterprise Linux Workstation=6.0
All of the following
SUSE Package Hub
SUSE Linux Enterprise=12.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/chromium to 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
  2. Upgrade

    Upgrade redhat/chromium-browser to a version that resolves this vulnerability.

    Fixed in 80.0.3987.87
  3. Upgrade

    Upgrade chromium/google chrome (Blink) to a version that resolves this vulnerability.

    Fixed in 80.0.3987.87

Event History

Feb 11, 2020
CVE Published
via MITRE·02:42 PM
Data Sourced
via MITRE·02:42 PM
DescriptionWeakness
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2020-6393.

2

What is the title of this vulnerability?

The title of this vulnerability is 'Insufficient policy enforcement in Blink in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.'

3

What is the severity of CVE-2020-6393?

The severity of CVE-2020-6393 is medium with a CVSS score of 6.5.

4

How can I fix CVE-2020-6393?

To fix CVE-2020-6393, update your Google Chrome browser to version 80.0.3987.87 or later.

5

Where can I find more information about CVE-2020-6393?

You can find more information about CVE-2020-6393 in the following references: [reference 1](https://code.google.com/p/chromium/issues/detail?id=1035058), [reference 2](https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html), [reference 3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1801839).

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