Out of bounds memory access in github.com/open-policy-agent/opa
Date: 2022-05
Affected: go/github.com/open-policy-agent/opa
Attack vector: dos
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2022-28946
CWE: CWE-119
CVSS: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

An issue in the component ast/parser.go of Open Policy Agent v0.39.0 causes the application to incorrectly interpret every expression, causing a Denial of Service (DoS) via triggering out-of-range memory access.


Mitigations:

Architectural layers (MAESTRO):