Vulnerability Details : CVE-2020-2023
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.
Products affected by CVE-2020-2023
- cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*
- cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*
- cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-2023
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-2023
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
6.3
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L |
2.0
|
3.7
|
NIST | |
3.8
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N |
2.0
|
1.4
|
Palo Alto Networks, Inc. |
CWE ids for CVE-2020-2023
-
The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.Assigned by: psirt@paloaltonetworks.com (Secondary)
References for CVE-2020-2023
-
https://github.com/kata-containers/runtime/releases/tag/1.10.5
Release # Release 1.10.5 · kata-containers/runtime · GitHubRelease Notes;Third Party Advisory
-
https://github.com/kata-containers/agent/issues/791
Explicitly deny any access to the nvdimm root partition · Issue #791 · kata-containers/agent · GitHubThird Party Advisory
-
https://github.com/kata-containers/runtime/pull/2477
qemu: pass rootfs image in readonly mode by bergwolf · Pull Request #2477 · kata-containers/runtime · GitHubPatch;Third Party Advisory
-
https://github.com/kata-containers/runtime/issues/2488
clh: update CLH to stable/v0.5.x · Issue #2488 · kata-containers/runtime · GitHubPatch;Third Party Advisory
-
https://github.com/kata-containers/agent/pull/792
device: Do not allow container access to the nvdimm rootfs by amshinde · Pull Request #792 · kata-containers/agent · GitHubPatch
-
https://github.com/kata-containers/runtime/pull/2487
clh: update CLH to stable/v0.5.x by likebreath · Pull Request #2487 · kata-containers/runtime · GitHubPatch;Third Party Advisory
-
https://github.com/kata-containers/runtime/releases/tag/1.11.1
Release # Release 1.11.1 · kata-containers/runtime · GitHubRelease Notes;Third Party Advisory
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