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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2022-09-08T13:30:16

Updated: 2024-08-03T09:52:00.645Z

Reserved: 2022-07-15T00:00:00

Link: CVE-2022-36085

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-09-08T14:15:08.340

Modified: 2024-11-21T07:12:21.110

Link: CVE-2022-36085

cve-icon Redhat

Severity : Important

Publid Date: 2022-09-08T00:00:00Z

Links: CVE-2022-36085 - Bugzilla