CVE-2017-1002102 Kubernetes arbitrary file overwrite

What is CVE-2017-1002102?

CVE-2017-1002102 is a high-severity path traversal vulnerability in Kubernetes Kubernetes, published on 13 Mar 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers using a secret, configMap, projected or downwardAPI volume can trigger deletion of arbitrary files/directories from the nodes where they are running.

Which versions are affected by CVE-2017-1002102?

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-2017-1002102?

Upgrade k8s.io/kubernetes to a fixed version for your release line: 1.7.14, 1.8.9 or 1.9.4.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-1002102 being exploited?

There is no known exploitation of CVE-2017-1002102 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 DEBIAN-CVE-2017-1002102, GHSA-mm7g-f2gg-cw8g, GO-2023-1977.