According to SOAR [REF-1479], the following detection techniques may be useful: ``` Cost effective for partial coverage: ``` Inter-application Flow Analysis Binary / Bytecode simple extractor - strings, ELF readers, etc.
CWE-510 Base Incompleto
Trapdoor
A trapdoor, often called a backdoor, is a hidden piece of code intentionally placed within software. It activates in response to a specific, often secret, input—like a special password or…
Definição
What is CWE-510?
A trapdoor, often called a backdoor, is a hidden piece of code intentionally placed within software. It activates in response to a specific, often secret, input—like a special password or sequence—bypassing standard authentication and authorization checks to grant unauthorized access.
Trapdoors are a critical security flaw because they create a secret entry point that completely circumvents an application's normal login process and permission systems. Developers might accidentally leave them in code from debugging phases, or malicious actors could insert them intentionally. Regardless of intent, once discovered, these hidden pathways allow attackers to gain the same level of access as a privileged user without needing credentials, leading directly to data theft, system takeover, or further network compromise.
To prevent trapdoors, developers must rigorously audit and clean code before deployment, removing any debug access mechanisms, secret test credentials, or undocumented commands. Implementing robust code review processes, using automated scanning tools to detect suspicious code patterns, and maintaining strict change control over production environments are essential defensive practices. Treat any hidden functionality as a severe vulnerability, as it undermines the entire security model of the application.
Impacto no mundo real
Real-world CVEs caused by CWE-510
Ainda não há referências CVE públicas associadas a este CWE no catálogo da MITRE.
Como os atacantes a exploram
Trajeto do atacante passo a passo
- 1
Identificar um caminho de código que trata input não confiável sem validação.
- 2
Criar um payload que explora o comportamento inseguro — injeção, traversal, overflow ou abuso de lógica.
- 3
Entregar o payload através de um pedido normal e observar a reação da aplicação.
- 4
Iterar até que a resposta exponha dados, execute código do atacante ou escale privilégios.
Exemplo de código vulnerável
Vulnerable pseudo
A MITRE não publicou um exemplo de código para este CWE. O padrão abaixo é ilustrativo — consulte os Recursos para referências canónicas.
// Example pattern — see MITRE for the canonical references.
function handleRequest(input) {
// Untrusted input flows directly into the sensitive sink.
return executeUnsafe(input);
} Exemplo de código seguro
Secure 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.
Lista de verificação de prevenção
How to prevent CWE-510
- Installation Always verify the integrity of the software that is being installed.
- Testing Identify and closely inspect the conditions for entering privileged areas of the code, especially those related to authentication, process invocation, and network communications.
Sinais de deteção
How to detect CWE-510
According to SOAR [REF-1479], the following detection techniques may be useful: ``` Cost effective for partial coverage: ``` Binary / Bytecode disassembler - then use manual analysis for vulnerabilities & anomalies Generated Code Inspection
According to SOAR [REF-1479], the following detection techniques may be useful: ``` Cost effective for partial coverage: ``` Automated Monitored Execution Forced Path Execution Debugger Monitored Virtual Environment - run potentially malicious code in sandbox / wrapper / virtual machine, see if it does anything suspicious
According to SOAR [REF-1479], the following detection techniques may be useful: ``` Highly cost effective: ``` Manual Source Code Review (not inspections) ``` Cost effective for partial coverage: ``` Focused Manual Spotcheck - Focused manual analysis of source
According to SOAR [REF-1479], the following detection techniques may be useful: ``` Cost effective for partial coverage: ``` Context-configured Source Code Weakness Analyzer
According to SOAR [REF-1479], the following detection techniques may be useful: ``` Highly cost effective: ``` Inspection (IEEE 1028 standard) (can apply to requirements, design, source code, etc.) ``` Cost effective for partial coverage: ``` Formal Methods / Correct-By-Construction
CWE-510
Don't catalog this weakness. Prove it's reachable.
Plexicus turns CWE catalogs into evidence: every CWE-pattern is matched against your real code graph, reach is proven on a sandbox clone, and verified findings ship as reviewed PRs.
Perguntas frequentes O que é o CWE-510?
Qual a gravidade do CWE-510?
Que linguagens ou plataformas são afetadas pelo CWE-510?
Como posso prevenir o CWE-510?
Como é que o Plexicus deteta e corrige o CWE-510?
Onde posso saber mais sobre o CWE-510?
Frequently asked questions
O que é o CWE-510?
A trapdoor, often called a backdoor, is a hidden piece of code intentionally placed within software. It activates in response to a specific, often secret, input—like a special password or sequence—bypassing standard authentication and authorization checks to grant unauthorized access.
Qual a gravidade do CWE-510?
A MITRE não publicou uma classificação de probabilidade de exploração para esta fraqueza. Trate-a como impacto médio até o seu modelo de ameaças provar o contrário.
Que linguagens ou plataformas são afetadas pelo CWE-510?
A MITRE não especificou as plataformas afetadas por este CWE — pode aplicar-se à maioria das stacks de aplicações.
Como posso prevenir o CWE-510?
Always verify the integrity of the software that is being installed. Identify and closely inspect the conditions for entering privileged areas of the code, especially those related to authentication, process invocation, and network communications.
Como é que o Plexicus deteta e corrige o CWE-510?
O motor SAST do Plexicus correlaciona a assinatura de fluxo de dados do CWE-510 em cada commit. Quando é encontrada uma correspondência, o nosso agente Codex Remedium abre um PR de correção com o código corrigido, testes e um resumo de uma linha para o revisor.
Onde posso saber mais sobre o CWE-510?
A MITRE publica a definição canónica em https://cwe.mitre.org/data/definitions/510.html. Pode também consultar a documentação da OWASP e do NIST para orientações adjacentes.
Fraquezas relacionadas
Weaknesses related to CWE-510
CWE-506 Pai
Embedded Malicious Code
This vulnerability occurs when an application or codebase contains intentionally harmful code inserted by a developer or third party.
CWE-507 Irmão
Trojan Horse
A Trojan Horse vulnerability occurs when software presents itself as legitimate and useful, but secretly contains malicious functionality…
CWE-511 Irmão
Logic/Time Bomb
A logic or time bomb is malicious code intentionally placed within software to trigger harmful actions when a specific condition is met or…
CWE-512 Irmão
Spyware
Spyware is software that secretly gathers personal information about a user or their activities. It does this by accessing data from other…
Recursos
Further reading
- MITRE — CWE-510 oficial https://cwe.mitre.org/data/definitions/510.html
- A Taxonomy of Computer Program Security Flaws, with Examples https://cwe.mitre.org/documents/sources/ATaxonomyofComputerProgramSecurityFlawswithExamples%5BLandwehr93%5D.pdf
- State-of-the-Art Resources (SOAR) for Software Vulnerability Detection, Test, and Evaluation https://www.ida.org/-/media/feature/publications/s/st/stateoftheart-resources-soar-for-software-vulnerability-detection-test-and-evaluation/p-5061.ashx
Pronto para validar o que importa?
Pronto para validar o que importa.
O Plexicus é Proof-Driven AppSec: achados validados, compreensão contextual e remediação revisada — ancorada em evidência, escopada com você.