CVE-2020-28914
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- CVE-2020-28914
CVE Details
| Release Date: | 2020-11-17 |
Description
An improper file permissions vulnerability affects Kata Containers prior to 1.11.5. When using a Kubernetes hostPath volume and mounting either a file or directory into a container as readonly, the file/directory is mounted as readOnly inside the container, but is still writable inside the guest. For a container breakout situation, a malicious guest can potentially modify or delete files/directories expected to be read-only.
See more information about CVE-2020-28914 from MITRE CVE dictionary and NIST NVD
CVSS v3.0 metrics
NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.
| Base Score: | 7.1 | Base Metrics: | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
| Access Vector: | Local network | Attack Complexity: | Low |
| Privileges Required: | Low | User Interaction: | None |
| Scope: | Unchanged | Confidentiality Impact: | None |
| Integrity Impact: | High | Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (kata) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kata) | ELSA-2021-9029 | 2021-02-10 |
| Oracle Linux version 7 (kata-agent) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kata-image) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kata-ksm-throttler) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kata-proxy) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kata-runtime) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kata-runtime) | ELSA-2021-9029 | 2021-02-10 |
| Oracle Linux version 7 (kata-shim) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kubernetes) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (kubernetes) | ELSA-2021-9029 | 2021-02-10 |
| Oracle Linux version 7 (olcne) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 7 (olcne) | ELSA-2021-9029 | 2021-02-10 |
| Oracle Linux version 8 (kata) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (kata-agent) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (kata-image) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (kata-ksm-throttler) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (kata-proxy) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (kata-runtime) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (kata-shim) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (kubernetes) | ELSA-2021-9028 | 2021-02-10 |
| Oracle Linux version 8 (olcne) | ELSA-2021-9028 | 2021-02-10 |
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