CWE-215 Base Brouillon

Insertion of Sensitive Information Into Debugging Code

This vulnerability occurs when developers embed sensitive data, such as passwords or API keys, within debugging statements like logs or console outputs, and fail to remove or disable this code…

Définition

What is CWE-215?

This vulnerability occurs when developers embed sensitive data, such as passwords or API keys, within debugging statements like logs or console outputs, and fail to remove or disable this code before deploying to a live environment.
During development, it's common practice to use debug outputs—like console.log(), print statements, or verbose logging—to trace variables, user inputs, or system states. The risk emerges when these debugging aids are left active in production, inadvertently broadcasting secrets, personal data, or internal system details that attackers can easily harvest from logs, error messages, or public-facing interfaces. To prevent exposure, teams must establish a clear separation between development and production code paths. This involves using environment-specific configuration flags, removing or stubbing out debug functions before release, and implementing secure logging practices that automatically filter or hash sensitive information. Treat debug code with the same scrutiny as production code, as its presence can turn a helpful tool into a major security liability.
Impact réel

Real-world CVEs caused by CWE-215

  • CVE-2004-2268

    Password exposed in debug information.

  • CVE-2002-0918

    CGI script includes sensitive information in debug messages when an error is triggered.

  • CVE-2003-1078

    FTP client with debug option enabled shows password to the screen.

Comment les attaquants l'exploitent

Parcours de l'attaquant étape par étape

  1. 1

    Identifier un chemin de code qui traite des entrées non fiables sans validation.

  2. 2

    Élaborer une charge utile qui exploite le comportement non sécurisé — injection, traversal, débordement ou abus de logique.

  3. 3

    Délivrer la charge utile via une requête normale et observer la réaction de l'application.

  4. 4

    Itérer jusqu'à ce que la réponse divulgue des données, exécute le code de l'attaquant ou élève les privilèges.

Exemple de code vulnérable

Vulnerable JSP

The following program changes its behavior based on a debug flag.

Vulnérable JSP 
<% if (Boolean.getBoolean("debugEnabled")) {
  		%>
  		User account number: <%= acctNo %>
  		<%
  		} %>
Exemple de code sécurisé

Secure pseudo

Sécurisé pseudo 
// Validate, sanitize, or use a safe API before reaching the sink.
function handleRequest(input) {
  const safe = validateAndEscape(input);
  return executeWithGuards(safe);
}
What changed: the unsafe sink is replaced (or the input is validated/escaped) so the same payload no longer triggers the weakness.
Liste de contrôle de prévention

How to prevent CWE-215

  • Implementation Do not leave debug statements that could be executed in the source code. Ensure that all debug information is eradicated before releasing the software.
  • Architecture and Design Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
Signaux de détection

How to detect CWE-215

Automated Static Analysis High

Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without having to execute it. Typically, this is done by building a model of data flow and control flow, then searching for potentially-vulnerable patterns that connect "sources" (origins of input) with "sinks" (destinations where the data interacts with external components, a lower layer such as the OS, etc.)

Correction automatique Plexicus

Plexicus détecte automatiquement CWE-215 et ouvre une PR de correction en moins de 60 secondes.

Codex Remedium analyse chaque commit, identifie cette faiblesse précise et livre une pull request prête à être relue avec le correctif. Pas de tickets. Pas de transferts.

Obtenir une démo Essayer Plexicus gratuitement
Questions fréquentes

Frequently asked questions

Qu'est-ce que CWE-215 ?

This vulnerability occurs when developers embed sensitive data, such as passwords or API keys, within debugging statements like logs or console outputs, and fail to remove or disable this code before deploying to a live environment.

Quelle est la gravité de CWE-215 ?

MITRE n'a pas publié de note de probabilité d'exploitation pour cette faiblesse. Traitez-la comme un impact moyen jusqu'à ce que votre modèle de menace prouve le contraire.

Quels langages ou plateformes sont affectés par CWE-215 ?

MITRE n'a pas spécifié les plateformes affectées pour ce CWE — il peut s'appliquer à la plupart des stacks applicatives.

Comment puis-je prévenir CWE-215 ?

Do not leave debug statements that could be executed in the source code. Ensure that all debug information is eradicated before releasing the software. Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the…

Comment Plexicus détecte et corrige CWE-215 ?

Le moteur SAST de Plexicus reconnaît la signature de flux de données de CWE-215 à chaque commit. Lorsqu'une correspondance est trouvée, notre agent Codex Remedium ouvre une PR de correction avec le code corrigé, les tests et un résumé d'une ligne pour le relecteur.

Où puis-je en savoir plus sur CWE-215 ?

MITRE publie la définition canonique à https://cwe.mitre.org/data/definitions/215.html. Vous pouvez également consulter la documentation OWASP et NIST pour des conseils adjacents.

Faiblesses associées

Weaknesses related to CWE-215

CWE-200 Parent

Exposure of Sensitive Information to an Unauthorized Actor

This weakness occurs when an application unintentionally reveals sensitive data to someone who shouldn't have access to it.

CWE-1258 Frère

Exposure of Sensitive System Information Due to Uncleared Debug Information

This vulnerability occurs when hardware fails to erase sensitive data like cryptographic keys and intermediate values before entering…

CWE-1273 Frère

Device Unlock Credential Sharing

This vulnerability occurs when the secret keys or passwords required to unlock a device's hidden features are shared between multiple…

CWE-1295 Frère

Debug Messages Revealing Unnecessary Information

The product's debug messages or logs expose excessive internal system details, potentially revealing sensitive information that could aid…

CWE-1431 Frère

Driving Intermediate Cryptographic State/Results to Hardware Module Outputs

This vulnerability occurs when a hardware cryptographic module leaks sensitive internal data through its output channels. Instead of only…

CWE-201 Frère

Insertion of Sensitive Information Into Sent Data

This vulnerability occurs when an application sends data to an external party, but accidentally includes sensitive information—like…

CWE-203 Frère

Observable Discrepancy

This vulnerability occurs when an application responds differently to unauthorized users based on internal conditions. Attackers can…

CWE-209 Frère

Generation of Error Message Containing Sensitive Information

This vulnerability occurs when an application reveals sensitive details about its internal systems, user data, or environment within error…

CWE-213 Frère

Exposure of Sensitive Information Due to Incompatible Policies

This vulnerability occurs when a system's data handling aligns with the developer's security rules but accidentally reveals information…

Ressources

Further reading

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