Red Hat OpenStack Platform etcd Package resource consumption

Summaryinfo

A vulnerability was found in Red Hat OpenStack Platform. It has been declared as problematic. The affected element is an unknown function of the component etcd Package. Executing a manipulation can lead to resource consumption. This vulnerability is registered as CVE-2024-4436. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Red Hat OpenStack Platform (version now known). It has been declared as critical. This vulnerability affects some unknown processing of the component etcd Package. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2022-41723. This issue occurs because the etcd package in the Red Hat OpenStack platform is using http://golang.org/x/net/http2 instead of the one provided by Red Hat Enterprise Linux versions, meaning it should be updated at compile time instead.

The advisory is shared for download at access.redhat.com. This vulnerability was named CVE-2024-4436 since 05/02/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/24/2025). The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 276175 (TencentOS Server 4: etcd (TSSA-2025:0331)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (276175) and EUVD (EUVD-2024-44547). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Cloud Software

Vendor

• Red Hat

Name

• OpenStack Platform

License

• open-source

Website

• Vendor: https://www.redhat.com/

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Once again VulDB remains the best source for vulnerability data.

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