Server-Side Request Forgery (SSRF) Affecting kubeadm package, versions <0:1.14.9-1.0.4.el7
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Test your applications- Snyk ID SNYK-ORACLE7-KUBEADM-2575061
- published 10 Apr 2022
- disclosed 5 Jun 2020
Introduced: 5 Jun 2020
CVE-2020-8555 Open this link in a new tabHow to fix?
Upgrade Oracle:7 kubeadm to version 0:1.14.9-1.0.4.el7 or higher.
This issue was patched in ELSA-2020-5727.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kubeadm package and not the kubeadm package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
The Kubernetes kube-controller-manager in versions v1.0-1.14, versions prior to v1.15.12, v1.16.9, v1.17.5, and version v1.18.0 are vulnerable to a Server Side Request Forgery (SSRF) that allows certain authorized users to leak up to 500 bytes of arbitrary information from unprotected endpoints within the master's host network (such as link-local or loopback services).
References
- https://linux.oracle.com/cve/CVE-2020-8555.html
- https://linux.oracle.com/errata/ELSA-2020-5725.html
- https://linux.oracle.com/errata/ELSA-2020-5726.html
- https://linux.oracle.com/errata/ELSA-2020-5727.html
- https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion
- https://github.com/kubernetes/kubernetes/issues/91542
- http://www.openwall.com/lists/oss-security/2020/06/01/4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
- https://security.netapp.com/advisory/ntap-20200724-0005/
- http://www.openwall.com/lists/oss-security/2021/05/04/8
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/