Kubernetes up to 1.17.12/1.18.9/1.19.2/1.20.0-alpha1 Token log file

Summaryinfo

A vulnerability classified as problematic has been found in Kubernetes up to 1.17.12/1.18.9/1.19.2/1.20.0-alpha1. This issue affects some unknown processing of the component Token Handler. Performing a manipulation results in log file. This vulnerability is known as CVE-2020-8565. Attacking locally is a requirement. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Kubernetes up to 1.17.12/1.18.9/1.19.2/1.20.0-alpha1 (Virtualization Software). This affects some unknown processing of the component Token Handler. The manipulation with an unknown input leads to a log file vulnerability. CWE is classifying the issue as CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. This is going to have an impact on confidentiality.

The weakness was published 12/08/2020. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2020-8565. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 233448 (Azure Linux 3.0 Security Update: kubernetes / local-path-provisioner (CVE-2020-8565)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.17.13, 1.18.10, 1.19.3 or 1.20.0-alpha2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (233448). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Virtualization Software

Name

• Kubernetes

Version

• 1.17.0
• 1.17.1
• 1.17.2
• 1.17.3
• 1.17.4
• 1.17.5
• 1.17.6
• 1.17.7
• 1.17.8
• 1.17.9
• 1.17.10
• 1.17.11
• 1.17.12
• 1.18.0
• 1.18.1
• 1.18.2
• 1.18.3
• 1.18.4
• 1.18.5
• 1.18.6
• 1.18.7
• 1.18.8
• 1.18.9
• 1.19.0
• 1.19.1
• 1.19.2
• 1.20.0-alpha1

License

• open-source

Website

• Product: https://github.com/kubernetes/kubernetes/

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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