CVE-2020-16012: channel information leakage in graphics

Published May 30, 2020
·
Updated

Side-channel information leakage in graphics in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Other sources

When drawing a transparent image on top of an unknown cross-origin image, the Skia library drawImage function took a variable amount of time depending on the content of the underlying image. This resulted in potential cross-origin information exposure of image content through timing side-channel attacks.

Credit

Aleksejs Popovs

Affected Software

10 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
debian/firefox
121.0-2
debian/firefox-esr
91.12.0esr-1~deb10u1115.6.0esr-1~deb10u1102.15.0esr-1~deb11u1115.6.0esr-1~deb11u1115.5.0esr-1~deb12u1115.6.0esr-1~deb12u1115.6.0esr-1
debian/thunderbird
1:91.12.0-1~deb10u11:115.6.0-1~deb10u11:102.13.1-1~deb11u11:115.6.0-1~deb11u11:115.5.0-1~deb12u11:115.6.0-1~deb12u11:115.6.0-1
Mozilla Thunderbird<78.5
78.5
Mozilla Firefox<83
83
Mozilla Firefox ESR<78.5
78.5
Google Chrome<87.0.4280.66
87.0.4280.66
Google Chrome<87.0.4280.66
Mozilla Firefox<83.0

Remediation

Event History

May 30, 2020
CVE Published
12:00 AM
Jan 8, 2021
CVE Published
via MITRE·05:48 PM
Data Sourced
via MITRE·05:48 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-16012?

CVE-2020-16012 is a vulnerability in Google Chrome and Mozilla Firefox that allowed remote attackers to potentially leak cross-origin information through a timing side-channel attack.

2

Which software versions are affected by CVE-2020-16012?

Google Chrome versions prior to 87.0.4280.66 and Mozilla Firefox versions up to 83.0 are affected by CVE-2020-16012.

3

How severe is CVE-2020-16012?

CVE-2020-16012 has a medium severity rating.

4

How can I fix CVE-2020-16012 in Google Chrome?

To fix CVE-2020-16012 in Google Chrome, update to version 87.0.4280.66 or later.

5

How can I fix CVE-2020-16012 in Mozilla Firefox?

To fix CVE-2020-16012 in Mozilla Firefox, update to version 83.0 or later.

Contact

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