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Improper Privilege Management and Execution with Unnecessary Privileges in Kata Containers

Moderate severity GitHub Reviewed Published Feb 15, 2022 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

gomod github.com/kata-containers/agent (Go)

Affected versions

<= 1.9
>= 1.10.0, < 1.10.5
>= 1.11.0, < 1.11.1

Patched versions

1.9.1
1.10.5
1.11.1
gomod github.com/kata-containers/runtime (Go)
<= 1.9
>= 1.10.0, < 1.10.5
>= 1.11.0, < 1.11.1
1.9.1
1.10.5
1.11.1

Description

Kata Containers doesn't restrict containers from accessing the guest's root filesystem device. Malicious containers can exploit this to gain code execution on the guest and masquerade as the kata-agent. This issue affects Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; and Kata Containers 1.9 and earlier versions.

References

Published by the National Vulnerability Database Jun 10, 2020
Reviewed May 13, 2021
Published to the GitHub Advisory Database Feb 15, 2022
Last updated Feb 1, 2023

Severity

Moderate

EPSS score

0.056%
(25th percentile)

Weaknesses

CVE ID

CVE-2020-2023

GHSA ID

GHSA-6978-vg2j-cc9q

Source code

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