Kubernetes up to 1.27.15/1.28.11/1.29.6/1.30.2 on Windows kubelet default permission

Summaryinfo

A vulnerability has been found in Kubernetes up to 1.27.15/1.28.11/1.29.6/1.30.2 on Windows and classified as critical. This impacts an unknown function of the component kubelet. The manipulation leads to default permission. This vulnerability is documented as CVE-2024-5321. The attack needs to be performed locally. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Kubernetes up to 1.27.15/1.28.11/1.29.6/1.30.2 on Windows and classified as critical. This issue affects an unknown part of the component kubelet. The manipulation with an unknown input leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A security issue was discovered in Kubernetes clusters with Windows nodes where BUILTIN\Users may be able to read container logs and NT AUTHORITY\Authenticated Users may be able to modify container logs.

The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2024-5321 since 05/24/2024. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 239765 (TencentOS Server 4: kubernetes (TSSA-2024:0807)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (239765). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Virtualization Software

Name

• Kubernetes

Version

• 1.27.0
• 1.27.1
• 1.27.2
• 1.27.3
• 1.27.4
• 1.27.5
• 1.27.6
• 1.27.7
• 1.27.8
• 1.27.9
• 1.27.10
• 1.27.11
• 1.27.12
• 1.27.13
• 1.27.14
• 1.27.15
• 1.28.0
• 1.28.1
• 1.28.2
• 1.28.3
• 1.28.4
• 1.28.5
• 1.28.6
• 1.28.7
• 1.28.8
• 1.28.9
• 1.28.10
• 1.28.11
• 1.29.0
• 1.29.1
• 1.29.2
• 1.29.3
• 1.29.4
• 1.29.5
• 1.29.6
• 1.30.0
• 1.30.1
• 1.30.2

License

• open-source

Website

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

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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