feat(sdk): add AWS Amplify app secret scanning check

permissions/prowler-additions-policy.json

@@ -4,6 +4,8 @@
     {
       "Action": [
         "account:Get*",
+        "amplify:ListApps",
+        "amplify:ListBranches",
         "appstream:Describe*",
         "appstream:List*",
         "backup:List*",

permissions/templates/cloudformation/prowler-scan-role.yml

@@ -99,6 +99,8 @@ Resources:
                 Effect: Allow
                 Action:
                   - "account:Get*"
+                  - "amplify:ListApps"
+                  - "amplify:ListBranches"
                   - "appstream:Describe*"
                   - "appstream:List*"
                   - "backup:List*"

prowler/CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All notable changes to the **Prowler SDK** are documented in this file.
 
+## [5.33.0] (Prowler UNRELEASED)
+
+### 🚀 Added
+
+- `amplify_app_no_secrets_in_environment` check for AWS provider to detect plaintext secrets in Amplify app environment variables, branch environment variables, and build settings (build spec)
+
+---
+
 ## [5.32.0] (Prowler v5.32.0)
 
 ### 🚀 Added

prowler/providers/aws/services/amplify/__init__.py

@@ -0,0 +1 @@
+

prowler/providers/aws/services/amplify/amplify_app_no_secrets_in_environment/__init__.py

@@ -0,0 +1 @@
+

prowler/providers/aws/services/amplify/amplify_app_no_secrets_in_environment/amplify_app_no_secrets_in_environment.metadata.json

@@ -0,0 +1,42 @@
+{
+  "Provider": "aws",
+  "CheckID": "amplify_app_no_secrets_in_environment",
+  "CheckTitle": "Amplify app has no sensitive credentials in environment variables or build settings",
+  "CheckType": [
+    "Software and Configuration Checks/AWS Security Best Practices",
+    "TTPs/Credential Access",
+    "Effects/Data Exposure",
+    "Sensitive Data Identifications/Security"
+  ],
+  "ServiceName": "amplify",
+  "SubServiceName": "",
+  "ResourceIdTemplate": "arn:partition:amplify:region:account-id:apps/app-id",
+  "Severity": "high",
+  "ResourceType": "AwsAmplifyApp",
+  "ResourceGroup": "security",
+  "Description": "AWS Amplify apps and their branches are inspected for hardcoded secrets, such as API keys, tokens, or passwords embedded in environment variables or build settings (buildSpec).",
+  "Risk": "Plaintext secrets in Amplify app environment variables or build configurations can be viewed by anyone with read access to the Amplify console, or may leak during the build process, exposing downstream resources and integrations.",
+  "RelatedUrl": "",
+  "AdditionalURLs": [
+    "https://docs.aws.amazon.com/amplify/latest/userguide/environment-variables.html",
+    "https://docs.prowler.com/developer-guide/secret-scanning-checks"
+  ],
+  "Remediation": {
+    "Code": {
+      "CLI": "aws amplify update-app --app-id <app-id> --environment-variables <key1=value1,key2=value2>",
+      "NativeIaC": "",
+      "Other": "1. Access the AWS Amplify console.\n2. Navigate to your app settings, choose Environment variables, and check if any secrets are stored in plaintext.\n3. For actual secrets, migrate them to environment secrets or AWS Secrets Manager / Parameter Store and reference them securely during the build phase.\n4. Clean the variables or buildSpec configuration.",
+      "Terraform": ""
+    },
+    "Recommendation": {
+      "Text": "Avoid storing secrets in plaintext environment variables or build specifications for AWS Amplify apps. Store sensitive settings securely in AWS Systems Manager Parameter Store or AWS Secrets Manager.",
+      "Url": "https://hub.prowler.com/check/amplify_app_no_secrets_in_environment"
+    }
+  },
+  "Categories": [
+    "secrets"
+  ],
+  "DependsOn": [],
+  "RelatedTo": [],
+  "Notes": ""
+}

prowler/providers/aws/services/amplify/amplify_app_no_secrets_in_environment/amplify_app_no_secrets_in_environment.py

@@ -0,0 +1,105 @@
+import json
+
+from prowler.lib.check.models import Check, Check_Report_AWS
+from prowler.lib.utils.utils import (
+    SecretsScanError,
+    annotate_verified_secrets,
+    detect_secrets_scan_batch,
+)
+from prowler.providers.aws.services.amplify.amplify_client import amplify_client
+
+
+class amplify_app_no_secrets_in_environment(Check):
+    """Check that AWS Amplify apps contain no hardcoded secrets in their environment variables or build settings."""
+
+    def execute(self) -> list[Check_Report_AWS]:
+        findings = []
+        secrets_ignore_patterns = amplify_client.audit_config.get(
+            "secrets_ignore_patterns", []
+        )
+        validate = amplify_client.audit_config.get("secrets_validate", False)
+        apps = list(amplify_client.apps.values())
+        line_context_by_app = {}
+
+        payloads_list = []
+        for app_index, app in enumerate(apps):
+            payload, line_context = _build_app_payload(app)
+            line_context_by_app[app_index] = line_context
+            if payload:
+                payloads_list.append((app_index, payload))
+
+        scan_error = None
+        try:
+            batch_results = detect_secrets_scan_batch(
+                payloads_list,
+                excluded_secrets=secrets_ignore_patterns,
+                validate=validate,
+            )
+        except SecretsScanError as error:
+            batch_results = {}
+            scan_error = error
+
+        for app_index, app in enumerate(apps):
+            report = Check_Report_AWS(metadata=self.metadata(), resource=app)
+            report.resource_tags = app.tags
+            report.status = "PASS"
+            report.status_extended = f"No secrets found in Amplify app {app.name} environment variables or build settings."
+
+            line_context = line_context_by_app.get(app_index, {})
+            if line_context:
+                if scan_error:
+                    report.status = "MANUAL"
+                    report.status_extended = (
+                        f"Could not scan Amplify app {app.name} environment variables "
+                        f"for secrets: {scan_error}; manual review is required."
+                    )
+                    findings.append(report)
+                    continue
+
+                detect_secrets_output = batch_results.get(app_index)
+                if detect_secrets_output:
+                    secrets_string = ", ".join(
+                        [
+                            f"{secret['type']} in {line_context.get(secret['line_number'], 'environment variables/build settings')}"
+                            for secret in detect_secrets_output
+                        ]
+                    )
+                    report.status = "FAIL"
+                    report.status_extended = (
+                        f"Potential {'secrets' if len(detect_secrets_output) > 1 else 'secret'} "
+                        f"found in Amplify app {app.name} environment variables or build settings -> {secrets_string}."
+                    )
+                    annotate_verified_secrets(report, detect_secrets_output)
+
+            findings.append(report)
+        return findings
+
+
+def _build_app_payload(app) -> tuple[str, dict[int, str]]:
+    """Build a line-oriented scan payload and map each line to a field context."""
+    lines = []
+    line_context = {}
+
+    def add_line(context: str, value: str) -> None:
+        if value is None:
+            return
+        lines.append(json.dumps({context: value}))
+        line_context[len(lines)] = context
+
+    # App environment variables
+    for var_name, var_value in app.environment_variables.items():
+        add_line(f"app environment variable '{var_name}'", var_value)
+
+    # App buildSpec
+    if app.build_spec:
+        for idx, line in enumerate(app.build_spec.splitlines(), start=1):
+            add_line(f"app buildSpec line {idx}", line)
+
+    # Branch environment variables
+    for branch in app.branches:
+        for var_name, var_value in branch.environment_variables.items():
+            add_line(
+                f"branch '{branch.name}' environment variable '{var_name}'", var_value
+            )
+
+    return "\n".join(lines), line_context

prowler/providers/aws/services/amplify/amplify_client.py

@@ -0,0 +1,4 @@
+from prowler.providers.aws.services.amplify.amplify_service import Amplify
+from prowler.providers.common.provider import Provider
+
+amplify_client = Amplify(Provider.get_global_provider())

prowler/providers/aws/services/amplify/amplify_service.py

@@ -0,0 +1,95 @@
+from botocore.exceptions import ClientError
+from pydantic.v1 import BaseModel, Field
+
+from prowler.lib.logger import logger
+from prowler.lib.scan_filters.scan_filters import is_resource_filtered
+from prowler.providers.aws.lib.service.service import AWSService
+
+
+class Branch(BaseModel):
+    """Represents an AWS Amplify App Branch."""
+
+    name: str
+    arn: str
+    environment_variables: dict = Field(default_factory=dict)
+
+
+class App(BaseModel):
+    """Represents an AWS Amplify App."""
+
+    id: str
+    name: str
+    arn: str
+    region: str
+    environment_variables: dict = Field(default_factory=dict)
+    build_spec: str = ""
+    branches: list[Branch] = Field(default_factory=list)
+    tags: list[dict] = Field(default_factory=list)
+
+
+class Amplify(AWSService):
+    """AWS Amplify service class."""
+
+    def __init__(self, provider):
+        super().__init__(__class__.__name__, provider)
+        self.apps = {}
+        self.__threading_call__(self._list_apps)
+        if self.apps:
+            self.__threading_call__(self._list_branches, self.apps.values())
+
+    def _list_apps(self, regional_client) -> None:
+        logger.info("Amplify - Listing apps...")
+        try:
+            list_apps_paginator = regional_client.get_paginator("list_apps")
+            for page in list_apps_paginator.paginate():
+                for app in page.get("apps", []):
+                    app_id = app.get("appId")
+                    app_name = app.get("name")
+                    app_arn = app.get("appArn")
+                    if not self.audit_resources or is_resource_filtered(
+                        app_arn, self.audit_resources
+                    ):
+                        tags = app.get("tags", {})
+                        tags_list = [tags] if tags else []
+                        self.apps[app_arn] = App(
+                            id=app_id,
+                            name=app_name,
+                            arn=app_arn,
+                            region=regional_client.region,
+                            environment_variables=app.get("environmentVariables", {}),
+                            build_spec=app.get("buildSpec", ""),
+                            tags=tags_list,
+                        )
+        except ClientError as error:
+            logger.error(
+                f"{regional_client.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
+            )
+        except Exception as error:
+            logger.error(
+                f"{regional_client.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
+            )
+
+    def _list_branches(self, app: App) -> None:
+        logger.info(f"Amplify - Listing branches for app {app.name}...")
+        try:
+            regional_client = self.regional_clients[app.region]
+            list_branches_paginator = regional_client.get_paginator("list_branches")
+            for page in list_branches_paginator.paginate(appId=app.id):
+                for branch in page.get("branches", []):
+                    branch_name = branch.get("branchName")
+                    branch_arn = branch.get("branchArn")
+                    app.branches.append(
+                        Branch(
+                            name=branch_name,
+                            arn=branch_arn,
+                            environment_variables=branch.get("environmentVariables", {}),
+                        )
+                    )
+        except ClientError as error:
+            logger.error(
+                f"{app.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
+            )
+        except Exception as error:
+            logger.error(
+                f"{app.region} -- {error.__class__.__name__}[{error.__traceback__.tb_lineno}]: {error}"
+            )

tests/providers/aws/services/amplify/__init__.py

@@ -0,0 +1 @@
+

tests/providers/aws/services/amplify/amplify_app_no_secrets_in_environment/__init__.py

@@ -0,0 +1 @@
+