Ethyca Fides up to 2.15.1 Template Upload resource consumption

Summaryinfo

A vulnerability categorized as problematic has been discovered in Ethyca Fides up to 2.15.1. This impacts an unknown function of the component Template Upload Handler. Such manipulation leads to resource consumption. This vulnerability is uniquely identified as CVE-2023-37480. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Ethyca Fides up to 2.15.1. Affected by this issue is an unknown functionality of the component Template Upload Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

Fides is an open-source privacy engineering platform for managing data privacy requests and privacy regulations. The Fides webserver is vulnerable to a type of Denial of Service (DoS) attack. Attackers can exploit a weakness in the connector template upload feature to upload a malicious zip bomb file, resulting in resource exhaustion and service unavailability for all users of the Fides webserver. This vulnerability affects Fides versions `2.11.0` through `2.15.1`. Exploitation is limited to users with elevated privileges with the `CONNECTOR_TEMPLATE_REGISTER` scope, which includes root users and users with the owner role. The vulnerability has been patched in Fides version `2.16.0`. Users are advised to upgrade to this version or later to secure their systems against this threat. There is no known workaround to remediate this vulnerability without upgrading. If an attack occurs, the impact can be mitigated by manually or automatically restarting the affected container.

The weakness was disclosed 07/18/2023 as GHSA-g95c-2jgm-hqc6. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-37480 since 07/06/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 2.16.0 eliminates this vulnerability. Applying the patch 5aea738463960d81821c11ae7ade1d627a46bf32 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Ethyca

Name

• Fides

Version

• 2.15.0
• 2.15.1

License

• open-source

Website

• Product: https://github.com/ethyca/fides/

CPE 2.3info

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CPE 2.2info

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