Arch Linux Security Advisory ASA-202006-3

Severity: High
Date : 2020-06-06
CVE-ID : CVE-2020-6493 CVE-2020-6494 CVE-2020-6495 CVE-2020-6496
Package : chromium
Type : multiple issues
Remote : Yes
Link : https://security.archlinux.org/AVG-1178

Summary

The package chromium before version 83.0.4103.97-1 is vulnerable to
multiple issues including access restriction bypass, arbitrary code
execution and content spoofing.

Resolution

Upgrade to 83.0.4103.97-1.

pacman -Syu “chromium>=83.0.4103.97-1”

The problems have been fixed upstream in version 83.0.4103.97.

Workaround

None.

Description

• CVE-2020-6493 (arbitrary code execution)

A use-after-free security issue has been found in the WebAuthentication
component of the chromium browser before 83.0.4103.97.

• CVE-2020-6494 (content spoofing)

An incorrect security UI security issue has been found in the payments
component of the chromium browser before 83.0.4103.97

• CVE-2020-6495 (access restriction bypass)

An insufficient policy enforcement security issue has been found in the
developer tools component of the chromium browser before 83.0.4103.97.

• CVE-2020-6496 (arbitrary code execution)

A use-after-free security issue has been found in the payments
component of the chromium browser before 83.0.4103.97.

Impact

A remote attacker might be able to spoof content, bypass security
restrictions or validations checks, or execute arbitrary code on the
affected host.

References

https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop.html
https://crbug.com/1082105
https://crbug.com/1083972
https://crbug.com/1072116
https://crbug.com/1085990
https://security.archlinux.org/CVE-2020-6493
https://security.archlinux.org/CVE-2020-6494
https://security.archlinux.org/CVE-2020-6495
https://security.archlinux.org/CVE-2020-6496