What’s Vulnerable › Vulnerabilities

CVE-2018-1002100

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-06-02 · updated 2026-06-17
• Weakness: CWE-20

Description

In Kubernetes versions 1.5.x, 1.6.x, 1.7.x, 1.8.x, and prior to version 1.9.6, the kubectl cp command insecurely handles tar data returned from the container, and can be caused to overwrite arbitrary local files.

Affected products

• Kubernetes: from 1.5.0 through 1.5.9; from 1.6.0 through 1.6.14; from 1.7.0 through 1.7.17; from 1.8.0 through 1.8.15; from 1.9.0 through 1.9.5

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1564305
• https://github.com/kubernetes/kubernetes/issues/61297
• https://hansmi.ch/articles/2018-04-openshift-s2i-security
• https://bugzilla.redhat.com/show_bug.cgi?id=1564305
• https://github.com/kubernetes/kubernetes/issues/61297
• https://hansmi.ch/articles/2018-04-openshift-s2i-security

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