CVE-2018-1002100

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.

CVSS Metrics

• v3.0•MEDIUM•Score: 4.2CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N
• v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
• v2.0•LOW•Score: 3.6AV:L/AC:L/Au:N/C:N/I:P/A:P

EPSS Trends

Current EPSS score: 0.51%• Percentile: 67%

Techniques & Countermeasures

• CWE-20•Improper Input Validation

  The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

• k8s.io•kubernetes

  ≥ 1.5.0, < 1.9.6 | ≥ 1.5.0-alpha.0, < 1.9.6

• kubernetes•kubernetes

  ≥ 1.5.0, ≤ 1.5.9 | ≥ 1.6.0, ≤ 1.6.14 | ≥ 1.7.0, ≤ 1.7.17 | ≥ 1.8.0, ≤ 1.8.15 | ≥ 1.9.0, ≤ 1.9.5 | v1.5.x | v1.6.x | v1.7.x | v1.8.x | ≥ unspecified, < v1.9.6

References (6)

• 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://nvd.nist.gov/vuln/detail/CVE-2018-1002100
• https://github.com/kubernetes/kubernetes
• https://github.com/advisories/GHSA-2jq6-ffph-p4h8