Path Traversal in Kubernetes Java
CVE-2020-8570
Kubernetes Java client libraries in version 10.0.0 and versions prior to 9.0.1 allow writes to paths outside of the current directory when copying multiple files from a remote pod which sends a maliciously crafted archive. This can potentially overwrite any files on the system of the process executing the client code.
EPSS: 0.035 (88.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Kubernetes Java
- Kubernetes Java Client — versions all versions prior to 9.0, 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- jordan@liggitt.net (Mailing List, Third Party Advisory, x_refsource_MISC)
- jordan@liggitt.net (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- jordan@liggitt.net (mailing-list, x_refsource_MLIST)
- jordan@liggitt.net (mailing-list, x_refsource_MLIST)
- jordan@liggitt.net (mailing-list, x_refsource_MLIST)
- jordan@liggitt.net (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2020-8570?
- CVE-2020-8570 is a critical-severity vulnerability in Kubernetes Java, classified under Relative Path Traversal. CVSS score: 9.1/10. Published 2021-01-21.
- How severe is CVE-2020-8570?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2020-8570 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.