CVE-2018-1002101 Kubernetes Arbitrary Command Injection

What is CVE-2018-1002101?

CVE-2018-1002101 is a medium-severity command injection vulnerability in Kubernetes Kubernetes, published on 5 Dec 2018. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In Kubernetes versions 1.9.0-1.9.9, 1.10.0-1.10.5, and 1.11.0-1.11.1, user input was handled insecurely while setting up volume mounts on Windows nodes, which could lead to command line argument injection.

Which versions are affected by CVE-2018-1002101?

7 open source packages ship an affected version, including k8s.io/kubernetes. It affects 1 product.

Products include Kubernetes Kubernetes.

How do I fix CVE-2018-1002101?

Upgrade k8s.io/kubernetes to a fixed version for your release line: 1.10.6, 1.11.2 or 1.9.10.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2018-1002101 being exploited?

There is no known exploitation of CVE-2018-1002101 in the wild and no public exploit code.

Other vulnerabilities in Kubernetes Kubernetes

• CVE-2018-1002105 Privilege Escalation in Kubernetes Critical 9.8
• CVE-2017-1000056 Kubernetes Privilege Escalation Critical 9.8
• CVE-2016-1906 Authorization bypass in Openshift Critical 9.8
• CVE-2023-3676 Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation High 8.8
• CVE-2023-3955 Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation High 8.8

All Kubernetes Kubernetes vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wqwf-x5cj-rg56, GO-2022-0886.