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CVE-2020-2023GHSA-6978-VG2J-CC9Q

Kata Containers - Containers have access to the guest root filesystem device

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.11.1, 1.10.5, 1.9.1
1 proof of concept on GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Kata Containers Kata Containers

    From 1.11 · fixed in 1.11.1; From 1.10 · fixed in 1.10.5; From 1 · through 1.9

  • github.com/kata-containers/agentGo

    fixed in 1.9.1

  • github.com/kata-containers/agentGo

    From 1.10.0 · fixed in 1.10.5

  • github.com/kata-containers/agentGo

    From 1.11.0 · fixed in 1.11.1

  • github.com/kata-containers/runtimeGo

    fixed in 1.9.1

  • github.com/kata-containers/runtimeGo

    From 1.10.0 · fixed in 1.10.5

  • github.com/kata-containers/runtimeGo

    From 1.11.0 · fixed in 1.11.1

References 8

GitHub · kata-containers/runtime

GitHub · kata-containers/agent

GitHub · ssst0n3/kata-cve-2020-2023-poc