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.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-20",
"CWE-693"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/36xxx/CVE-2022-36085.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:openpolicyagent:open_policy_agent:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.40.0"
},
{
"fixed": "0.43.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "25a597bc3f4985162e7f65f9c36599f4f8f55823"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
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}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v0.43.1",
"range": [
{
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}
],
"source": "REFERENCES_TAG"
}
]
}