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CVE-2022-36085

7.4 · HIGH

Open Policy Agent (OPA) is an open source, general-purpose policy engine.

Published Sep 8, 2022CWE-20EPSS 1.59%

Overview

CVE-2022-36085 is a high-severity vulnerability. It was published on September 8, 2022 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Open Policy Agent (OPA) is an open source, general-purpose policy engine. The Rego compiler provides a (deprecated) `WithUnsafeBuiltins` function, which allows users to provide a set of built-in functions that should be deemed unsafe — and as such rejected — by the compiler if encountered in the policy compilation stage. A bypass of this protection has been found, where the use of the `with` keyword to mock such a built-in function (a feature introduced in OPA v0.40.0), isn’t taken into account by `WithUnsafeBuiltins`. Multiple conditions need to be met in order to create an adverse effect. Version 0.43.1 contains a patch for this issue. As a workaround, avoid using the `WithUnsafeBuiltins` function and use the `capabilities` feature instead.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/open-policy-agent/opa/commit/25a597bc3f4985162e7f65f9c36599f4f8f55823GitHubgithub.com/open-policy-agent/opa/commit/3e8c754ed007b22393cf65e48751ad9f6457fee8GitHubgithub.com/open-policy-agent/opa/pull/4540GitHubgithub.com/open-policy-agent/opa/pull/4616GitHubgithub.com/open-policy-agent/opa/releases/tag/v0.43.1GitHubgithub.com/open-policy-agent/opa/security/advisories/GHSA-f524-rf33-2jjrGitHubgithub.com/open-policy-agent/opa/commit/25a597bc3f4985162e7f65f9c36599f4f8f55823GitHubgithub.com/open-policy-agent/opa/commit/3e8c754ed007b22393cf65e48751ad9f6457fee8GitHubgithub.com/open-policy-agent/opa/pull/4540GitHubgithub.com/open-policy-agent/opa/pull/4616

How CyberStrike helps

Frequently asked questions

What is CVE-2022-36085?

CVE-2022-36085 is a high-severity vulnerability. It was published on September 8, 2022 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2022-36085?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-36085?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-36085?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-36085 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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