medium9.8
CVE-2020-2023
Improper Privilege Management and Execution with Unnecessary Privileges in Kata Containers
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/kata-containers/agent | <= 1.9 | 1.9.1 |
| go | github.com/kata-containers/runtime | <= 1.9 | 1.9.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Katacontainers | Runtime | through 1.9 from 1.10 before 1.10.5 from 1.11 before 1.11.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/kata-containers/agent/issues/791
- https://github.com/kata-containers/agent/pull/792
- https://github.com/kata-containers/runtime/issues/2488
- https://github.com/kata-containers/runtime/pull/2477
- https://github.com/kata-containers/runtime/pull/2487
- https://github.com/kata-containers/runtime/releases/tag/1.10.5
- https://github.com/kata-containers/runtime/releases/tag/1.11.1
- https://github.com/advisories/GHSA-6978-vg2j-cc9q
- https://nvd.nist.gov/vuln/detail/CVE-2020-2023