CVE-2020-8555

Impact

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).

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://www.openwall.com/lists/oss-security/2020/06/01/4
• http://www.openwall.com/lists/oss-security/2021/05/04/8
• https://github.com/kubernetes/kubernetes/issues/91542
• https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
• https://security.netapp.com/advisory/ntap-20200724-0005/
• http://www.openwall.com/lists/oss-security/2020/06/01/4
• http://www.openwall.com/lists/oss-security/2021/05/04/8
• https://github.com/kubernetes/kubernetes/issues/91542
• https://groups.google.com/d/topic/kubernetes-security-announce/kEK27tqqs30/discussion
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SOCLOPTSYABTE4CLTSPDIFE6ZZZR4LX/
• https://security.netapp.com/advisory/ntap-20200724-0005/