CVE-2020-8555 - Server-Side Request Forgery (SSRF)

Severity

63%

Complexity

18%

Confidentiality

66%

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).

CVSS 3.1 Base Score 6.3. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N).

CVSS 2.0 Base Score 3.5. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:N/A:N).

Overview

First reported 4 years ago

2020-06-05 17:15:00

Last updated 4 years ago

2020-07-24 14:15:00

Affected Software

Kubernetes Kubernetes 1.18.0

1.18.0

References

https://github.com/kubernetes/kubernetes/issues/91542

N/A

https://github.com/kubernetes/kubernetes/issues/91542

Third Party Advisory

N/A

Mailing List, Third Party Advisory

[oss-security] 20200601 CVE-2020-8555: Kubernetes: Half-Blind SSRF in kube-controller-manager

FEDORA-2020-aeea04cd13

https://security.netapp.com/advisory/ntap-20200724-0005/

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