CVE-2018-1002102 Details

CVE-2018-1002102

Published: 2019-12-05 16:15:00
CVE Author: NIST National Vulnerability Database (NVD)
Summary:

Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet.

Exploitability Analysis:

This is a vulnerability exploitable with network access which means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access to exploit it. Such a vulnerability is often termed “remotely exploitable”.

Exploitability Complexity:

Specialized access conditions exist. For example, in most configurations, the attacking party must already have elevated privileges or spoof additional systems in addition to the attacking system (e.g., DNS hijacking). The attack depends on social engineering methods that would be easily detected by knowledgeable people. For example, the victim must perform several suspicious or atypical actions. The vulnerable configuration is seen very rarely in practice. If a race condition exists, the window is very narrow.

Authentication:

One instance of authentication is required to access and exploit the vulnerability.

Confidentiality Impact:

There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained. An example is a vulnerability that divulges only certain tables in a database.

Integrity Impact:

There is no impact to the integrity of the system.

Availability Impact:

There is no impact to the availability of the system.

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

CVE-2018-1002102

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Impact
Low
CVSS Score
2.1
Exploitable
Remotely Exploitable

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