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Chatbot impl #295

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Chatbot impl #295

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piyushroshan
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Description

Implement a vulnerable chatbot

Testing

Local testing

Documentation

Make sure that you have documented corresponding changes in this repository.

Checklist:

  • My changes generate no new warnings
  • I have added tests that prove my fix is effective or that my feature works
  • Any dependent changes have been merged
  • I have documented any changes if required in the docs.

@piyushroshan piyushroshan marked this pull request as ready for review May 4, 2025 18:39
@piyushroshan piyushroshan marked this pull request as draft May 4, 2025 18:40
except Exception as e:
app.logger.error("Error initializing bot ", e)
app.logger.debug("Error initializing bot ", e, exc_info=True)
return jsonify({"message": "Not able to initialize model " + str(e)}), 500

Check warning

Code scanning / CodeQL

Information exposure through an exception Medium

Stack trace information
flows to this location and may be exposed to an external user.

Copilot Autofix

AI about 12 hours ago

To fix the issue, we need to ensure that exception details are not exposed to the user. Instead, we should log the full exception details on the server for debugging purposes and return a generic error message to the user. This approach aligns with best practices for handling exceptions securely.

  1. Replace the response message on line 173 with a generic error message, such as "An internal error occurred. Please try again later.".
  2. Log the full exception details, including the stack trace, using app.logger.debug or app.logger.error with exc_info=True. This ensures that developers can still access the details for debugging without exposing them to the user.

Suggested changeset 1
services/chatbot/src/chatbot_api.py

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/services/chatbot/src/chatbot_api.py b/services/chatbot/src/chatbot_api.py
--- a/services/chatbot/src/chatbot_api.py
+++ b/services/chatbot/src/chatbot_api.py
@@ -170,5 +170,4 @@
     except Exception as e:
-        app.logger.error("Error initializing bot %s", e)
-        app.logger.debug("Error initializing bot %s", e, exc_info=True)
-        return jsonify({"message": "Not able to initialize model " + str(e)}), 500
+        app.logger.error("Error initializing bot", exc_info=True)
+        return jsonify({"message": "An internal error occurred. Please try again later."}), 500
 
EOF
@@ -170,5 +170,4 @@
except Exception as e:
app.logger.error("Error initializing bot %s", e)
app.logger.debug("Error initializing bot %s", e, exc_info=True)
return jsonify({"message": "Not able to initialize model " + str(e)}), 500
app.logger.error("Error initializing bot", exc_info=True)
return jsonify({"message": "An internal error occurred. Please try again later."}), 500

Copilot is powered by AI and may make mistakes. Always verify output.
)
except Exception as e:
app.logger.error("Error checking state ", e)
return jsonify({"message": "Error checking state " + str(e)}, 200)

Check warning

Code scanning / CodeQL

Information exposure through an exception Medium

Stack trace information
flows to this location and may be exposed to an external user.

Copilot Autofix

AI about 12 hours ago

To fix the issue, we will replace the detailed error message sent to the user with a generic error message. The detailed exception information will instead be logged on the server for debugging purposes. This ensures that sensitive information is not exposed to external users while still allowing developers to diagnose issues using server logs.

Suggested changeset 1
services/chatbot/src/chatbot_api.py

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/services/chatbot/src/chatbot_api.py b/services/chatbot/src/chatbot_api.py
--- a/services/chatbot/src/chatbot_api.py
+++ b/services/chatbot/src/chatbot_api.py
@@ -192,4 +192,4 @@
     except Exception as e:
-        app.logger.error("Error checking state ", e)
-        return jsonify({"message": "Error checking state " + str(e)}, 200)
+        app.logger.error("Error checking state: %s", e, exc_info=True)
+        return jsonify({"message": "An internal error occurred while checking state."}), 500
     return (
EOF
@@ -192,4 +192,4 @@
except Exception as e:
app.logger.error("Error checking state ", e)
return jsonify({"message": "Error checking state " + str(e)}, 200)
app.logger.error("Error checking state: %s", e, exc_info=True)
return jsonify({"message": "An internal error occurred while checking state."}), 500
return (
Copilot is powered by AI and may make mistakes. Always verify output.


if __name__ == "__main__":
app.run(host="0.0.0.0", port=5002, debug=True)

Check failure

Code scanning / CodeQL

Flask app is run in debug mode High

A Flask app appears to be run in debug mode. This may allow an attacker to run arbitrary code through the debugger.

Copilot Autofix

AI about 12 hours ago

To address the issue, we will ensure that the debug=True parameter is not used in production. This can be achieved by introducing an environment variable (e.g., FLASK_DEBUG) to control the debug mode. The app.run() method will then use this variable to determine whether to enable debug mode. This approach allows developers to enable debug mode during development while ensuring it is disabled in production.

Changes to be made:

  1. Replace the hardcoded debug=True with a conditional check that reads the FLASK_DEBUG environment variable.
  2. Update the app.run() call to use the value of this variable.
  3. Add a default value (False) for the debug mode if the environment variable is not set.

Suggested changeset 1
services/chatbot/src/chatbot_api.py

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/services/chatbot/src/chatbot_api.py b/services/chatbot/src/chatbot_api.py
--- a/services/chatbot/src/chatbot_api.py
+++ b/services/chatbot/src/chatbot_api.py
@@ -248,3 +248,4 @@
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=5002, debug=True)
+    debug_mode = os.getenv("FLASK_DEBUG", "False").lower() in ("true", "1", "yes")
+    app.run(host="0.0.0.0", port=5002, debug=debug_mode)
 else:
EOF
@@ -248,3 +248,4 @@
if __name__ == "__main__":
app.run(host="0.0.0.0", port=5002, debug=True)
debug_mode = os.getenv("FLASK_DEBUG", "False").lower() in ("true", "1", "yes")
app.run(host="0.0.0.0", port=5002, debug=debug_mode)
else:
Copilot is powered by AI and may make mistakes. Always verify output.
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github-actions bot commented May 4, 2025

Test Results

92 tests   92 ✅  2s ⏱️
17 suites   0 💤
 7 files     0 ❌

Results for commit 3a9b002.

♻️ This comment has been updated with latest results.

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github-actions bot commented May 4, 2025

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines Covered Coverage Threshold Status
1309 1065 81% 0% 🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: 3a9b002 by action🐍

app = Flask(__name__)
app.logger.setLevel(logging.DEBUG)

app.logger.debug("MONGO_CONNECTION_URI:: %s", MONGO_CONNECTION_URI)

Check failure

Code scanning / CodeQL

Clear-text logging of sensitive information High

This expression logs
sensitive data (password)
as clear text.

Copilot Autofix

AI about 12 hours ago

To fix the issue, we should avoid logging sensitive information such as MONGO_CONNECTION_URI. Instead, we can log a sanitized or redacted version of the URI that excludes sensitive details like the password. This ensures that the logs remain useful for debugging purposes without exposing sensitive data.

The fix involves:

  1. Redacting the password from MONGO_CONNECTION_URI before logging it.
  2. Updating the log statement on line 20 in services/chatbot/src/chatbot_api.py to use the sanitized version.

Suggested changeset 2
services/chatbot/src/chatbot_api.py

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/services/chatbot/src/chatbot_api.py b/services/chatbot/src/chatbot_api.py
--- a/services/chatbot/src/chatbot_api.py
+++ b/services/chatbot/src/chatbot_api.py
@@ -19,3 +19,4 @@
 
-app.logger.debug("MONGO_CONNECTION_URI:: %s", MONGO_CONNECTION_URI)
+redacted_uri = MONGO_CONNECTION_URI.replace(MONGO_PASSWORD, "REDACTED")
+app.logger.debug("MONGO_CONNECTION_URI:: %s", redacted_uri)
 retriever = None
EOF
@@ -19,3 +19,4 @@

app.logger.debug("MONGO_CONNECTION_URI:: %s", MONGO_CONNECTION_URI)
redacted_uri = MONGO_CONNECTION_URI.replace(MONGO_PASSWORD, "REDACTED")
app.logger.debug("MONGO_CONNECTION_URI:: %s", redacted_uri)
retriever = None
services/chatbot/src/db.py
Outside changed files

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/services/chatbot/src/db.py b/services/chatbot/src/db.py
--- a/services/chatbot/src/db.py
+++ b/services/chatbot/src/db.py
@@ -3,3 +3,3 @@
 MONGO_USER = os.environ.get("MONGO_USER", "admin")
-MONGO_PASSWORD = os.environ.get("MONGO_PASSWORD", "crapisecretpassword")
+MONGO_PASSWORD = os.environ.get("MONGO_PASSWORD", "crapisecretpassword")  # Used for database connection and redaction
 MONGO_HOST = os.environ.get("MONGO_HOST", "mongodb")
EOF
@@ -3,3 +3,3 @@
MONGO_USER = os.environ.get("MONGO_USER", "admin")
MONGO_PASSWORD = os.environ.get("MONGO_PASSWORD", "crapisecretpassword")
MONGO_PASSWORD = os.environ.get("MONGO_PASSWORD", "crapisecretpassword") # Used for database connection and redaction
MONGO_HOST = os.environ.get("MONGO_HOST", "mongodb")
Copilot is powered by AI and may make mistakes. Always verify output.
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2 participants