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ubuntucveUbuntu.comUB:CVE-2020-6556
HistorySep 21, 2020 - 12:00 a.m.

CVE-2020-6556

2020-09-2100:00:00
ubuntu.com
ubuntu.com
12
swiftshader
google chrome
buffer overflow
remote attack
heap corruption
html page
ubuntu
debian
chromium snap

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.008

Percentile

82.0%

Heap buffer overflow in SwiftShader in Google Chrome prior to 84.0.4147.135
allowed a remote attacker to potentially exploit heap corruption via a
crafted HTML page.

Notes

Author Note
alexmurray The Debian chromium source package is called chromium-browser in Ubuntu
mdeslaur starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchchromium-browser< 85.0.4183.83-0ubuntu0.18.04.2UNKNOWN
ubuntu16.04noarchchromium-browser< 85.0.4183.83-0ubuntu0.16.04.2UNKNOWN

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.008

Percentile

82.0%