kubelet up to 1.15.9/1.16.6/1.17.2 API memory allocation

Summaryinfo

A vulnerability, which was classified as problematic, has been found in kubelet up to 1.15.9/1.16.6/1.17.2. This vulnerability affects unknown code of the component API. This manipulation causes memory allocation. The identification of this vulnerability is CVE-2020-8551. The attack needs to be done within the local network. There is no exploit available.

Detailsinfo

A vulnerability has been found in kubelet up to 1.15.9/1.16.6/1.17.2 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component API. The manipulation with an unknown input leads to a memory allocation vulnerability. The CWE definition for the vulnerability is CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. As an impact it is known to affect availability. The summary by CVE is:

The Kubelet component in versions 1.15.0-1.15.9, 1.16.0-1.16.6, and 1.17.0-1.17.2 has been found to be vulnerable to a denial of service attack via the kubelet API, including the unauthenticated HTTP read-only API typically served on port 10255, and the authenticated HTTPS API typically served on port 10250.

The weakness was shared 03/27/2020. This vulnerability is known as CVE-2020-8551 since 02/03/2020. The attack can only be done within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Name

• kubelet

Version

• 1.15.0
• 1.15.1
• 1.15.2
• 1.15.3
• 1.15.4
• 1.15.5
• 1.15.6
• 1.15.7
• 1.15.8
• 1.15.9
• 1.16.0
• 1.16.1
• 1.16.2
• 1.16.3
• 1.16.4
• 1.16.5
• 1.16.6
• 1.17.0
• 1.17.1
• 1.17.2

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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