OpenSearch Security 2.0.0.0/2.1.0.0 Advanced Access Control improper authorization of index containing sensitive information

Summaryinfo

A vulnerability was found in OpenSearch Security 2.0.0.0/2.1.0.0 and classified as problematic. Affected is an unknown function of the component Advanced Access Control. Executing a manipulation can lead to improper authorization of index containing sensitive information. This vulnerability is tracked as CVE-2022-35980. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenSearch Security 2.0.0.0/2.1.0.0 and classified as problematic. This vulnerability affects an unknown code of the component Advanced Access Control. The manipulation with an unknown input leads to a improper authorization of index containing sensitive information vulnerability. The CWE definition for the vulnerability is CWE-612. The product creates a search index of private or sensitive documents, but it does not properly limit index access to actors who are authorized to see the original information. As an impact it is known to affect confidentiality. CVE summarizes:

OpenSearch Security is a plugin for OpenSearch that offers encryption, authentication and authorization. Versions 2.0.0.0 and 2.1.0.0 of the security plugin are affected by an information disclosure vulnerability. Requests to an OpenSearch cluster configured with advanced access control features document level security (DLS), field level security (FLS), and/or field masking will not be filtered when the query's search pattern matches an aliased index. OpenSearch Dashboards creates an alias to `.kibana` by default, so filters with the index pattern of `*` to restrict access to documents or fields will not be applied. This issue allows requests to access sensitive information when customer have acted to restrict access that specific information. OpenSearch 2.2.0, which is compatible with OpenSearch Security 2.2.0.0, contains the fix for this issue. There is no recommended work around.

The weakness was disclosed 08/13/2022 as GHSA-f4qr-f4xx-hjxw. The advisory is shared for download at github.com. This vulnerability was named CVE-2022-35980 since 07/15/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 2.2.0.0 eliminates this vulnerability. Applying the patch 7eaaafec2939d7db23a02ffca9cc68e0343de246 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.

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Productinfo

Name

• OpenSearch Security

Version

• 2.0.0.0
• 2.1.0.0

License

• open-source

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