mcp-server-semgrep/semgrep-rules/go/lang/security/audit/sqli/pg-sqli.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: pg-sqli
  languages:
  - go
  message: >-
    Detected string concatenation with a non-literal variable in a go-pg
    SQL statement. This could lead to SQL injection if the variable is user-controlled
    and not properly sanitized. In order to prevent SQL injection,
    use parameterized queries instead of string concatenation. You can use parameterized
    queries like so:
    '(SELECT ? FROM table, data1)'
  metadata:
    cwe:
    - "CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')"
    references:
    - https://pg.uptrace.dev/
    - https://pkg.go.dev/github.com/go-pg/pg/v10
    category: security
    technology:
    - go-pg
    confidence: LOW
    owasp:
    - A01:2017 - Injection
    - A03:2021 - Injection
    cwe2022-top25: true
    cwe2021-top25: true
    subcategory:
    - vuln
    likelihood: LOW
    impact: HIGH
  severity: ERROR
  patterns:
  - pattern-either:
    - patterns:
      - pattern: |
          $DB.$METHOD(...,$QUERY,...)
      - pattern-either:
        - pattern-inside: |
            $QUERY = $X + $Y
            ...
        - pattern-inside: |
            $QUERY += $X
            ...
        - pattern-inside: |
            $QUERY = fmt.Sprintf("...", $PARAM1, ...)
            ...
      - pattern-not-inside: |
          $QUERY += "..."
          ...
      - pattern-not-inside: |
          $QUERY = "..." + "..."
          ...
    - pattern: $DB.$METHOD(..., $X + $Y, ...)
    - pattern: $DB.$METHOD(..., fmt.Sprintf("...", $PARAM1, ...), ...)
  - pattern-either:
    - pattern-inside: |
        $DB = pg.Connect(...)
        ...
    - pattern-inside: |
        func $FUNCNAME(..., $DB *pg.DB, ...) {
          ...
        }
  - pattern-not: $DB.$METHOD(..., "..." + "...", ...)
  - metavariable-regex:
      metavariable: $METHOD
      regex: ^(Exec|ExecContext|ExecOne|ExecOneContext|Query|QueryOne|QueryContext|QueryOneContext)$