data/reports/GO-2022-0515.yaml

modules:
  - module: std
    versions:
      - fixed: 1.17.12
      - introduced: 1.18.0
        fixed: 1.18.4
    vulnerable_at: 1.18.3
    packages:
      - package: go/parser
        symbols:
          - ParseFile
          - ParseExprFrom
          - parser.tryIdentOrType
          - parser.parsePrimaryExpr
          - parser.parseUnaryExpr
          - parser.parseBinaryExpr
          - parser.parseIfStmt
          - parser.parseStmt
          - resolver.openScope
          - resolver.closeScope
description: |
    Calling any of the Parse functions on Go source code which contains deeply
    nested types or declarations can cause a panic due to stack exhaustion.
published: 2022-07-20T17:01:45Z
credit: Juho Nurminen of Mattermost
references:
  - fix: https://go.dev/cl/417063
  - fix: https://go.googlesource.com/go/+/695be961d57508da5a82217f7415200a11845879
  - report: https://go.dev/issue/53616
  - web: https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
cve_metadata:
    id: CVE-2022-1962
    cwe: 'CWE-674: Uncontrolled Recursion'
    description: |
        Uncontrolled recursion in the Parse functions in go/parser before Go
        1.17.12 and Go 1.18.4 allow an attacker to cause a panic due to stack
        exhaustion via deeply nested types or declarations.