Vulnerability Details : CVE-2020-2024
An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.
Vulnerability category: Denial of service
Products affected by CVE-2020-2024
- cpe:2.3:a:katacontainers:runtime:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-2024
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-2024
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
2.0
|
4.0
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
2.0
|
4.0
|
Palo Alto Networks, Inc. |
CWE ids for CVE-2020-2024
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by:
- nvd@nist.gov (Primary)
- psirt@paloaltonetworks.com (Secondary)
References for CVE-2020-2024
-
https://github.com/kata-containers/runtime/pull/2475
vc: do not follow symlink when umounting contanier host path by bergwolf · Pull Request #2475 · kata-containers/runtime · GitHubPatch;Third Party Advisory
-
https://github.com/kata-containers/runtime/issues/2474
harden container hostpath cleanup · Issue #2474 · kata-containers/runtime · GitHubThird Party Advisory
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