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CWE-1269 Base Incompleto
Product Released in Non-Release Configuration
This vulnerability occurs when a product ships to customers while still configured with its pre-production or manufacturing settings, which typically include powerful debugging and testing features…
Definição
What is CWE-1269?
This vulnerability occurs when a product ships to customers while still configured with its pre-production or manufacturing settings, which typically include powerful debugging and testing features not intended for real-world use.
Products under development or in manufacturing are configured with extensive debug capabilities to aid engineers. These often include backdoors to bypass security checks (like authentication or encryption), commands to read or modify internal memory and registers, hidden administrative functions, and the ability to alter critical system configurations. These features, while necessary for testing, create severe security gaps if they remain accessible after the product ships.
The risk is especially high in complex supply chains involving multiple vendors. For example, a chip manufacturer might test a component and then send it to an OEM for further testing before final production. The product is only considered secure for release after all testing is complete and a final lock-down step (like blowing a 'Manufacturing Complete' fuse) is performed. If this final step is missed, the product remains in its vulnerable, high-access manufacturing state, exposing end-users to potential attacks.
Impacto no mundo real
Real-world CVEs caused by CWE-1269
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Regarding SSA-686531, a hardware based manufacturing access on S7-1200 and S7-200 SMART has occurred. A vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-200 SMART CPU family (All versions). There is an access mode used during manufacturing of S7-1200 CPUs that allows additional diagnostic functionality. The security vulnerability could be exploited by an attacker with physical access to the UART interface during boot process. At the time of advisory publication, no public exploitation of this security vulnerability was known.
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Laptops with Intel chipsets were found to be running in Manufacturing Mode. After this information was reported to the OEM, the vulnerability (CVE-2018-4251) was patched disallowing access to the interface.
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 Other
This example shows what happens when a preproduction system is made available for production.
Suppose the chipmaker has a way of scanning all the internal memory (containing chipmaker-level secrets) during the manufacturing phase, and the way the chipmaker or the Original Equipment Manufacturer (OEM) marks the end of the manufacturing phase is by blowing a Manufacturing Complete fuse. Now, suppose that whoever blows the Manufacturing Complete fuse inadvertently forgets to execute the step to blow the fuse. Exemplo de código seguro
Secure Other
An attacker will now be able to scan all the internal memory (containing chipmaker-level secrets).
Blow the Manufacturing Complete fuse. 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-1269
- Implementation Ensure that there exists a marker for denoting the Manufacturing Complete stage and that the Manufacturing Complete marker gets updated at the Manufacturing Complete stage (i.e., the Manufacturing Complete fuse gets blown).
- Integration Ensure that there exists a marker for denoting the Manufacturing Complete stage and that the Manufacturing Complete marker gets updated at the Manufacturing Complete stage (i.e., the Manufacturing Complete fuse gets blown).
- Manufacturing Ensure that there exists a marker for denoting the Manufacturing Complete stage and that the Manufacturing Complete marker gets updated at the Manufacturing Complete stage (i.e., the Manufacturing Complete fuse gets blown).
Sinais de deteção
How to detect CWE-1269
Executar testes dinâmicos de segurança de aplicações (DAST) contra o endpoint em execução.
Monitorizar os registos em tempo de execução para traços de exceção invulgares, input malformado ou tentativas de contornar a autorização.
Revisão de código: sinalizar qualquer novo código que trate input desta superfície sem usar os ajudantes validados do framework.
O Plexicus deteta automaticamente o CWE-1269 e abre um PR de correção em menos de 60 segundos.
O Codex Remedium analisa cada commit, identifica esta fraqueza exata e entrega um pull request pronto para revisão com o patch. Sem tickets. Sem transferências.
Perguntas frequentes O que é o CWE-1269?
Qual a gravidade do CWE-1269?
Que linguagens ou plataformas são afetadas pelo CWE-1269?
Como posso prevenir o CWE-1269?
Como é que o Plexicus deteta e corrige o CWE-1269?
Onde posso saber mais sobre o CWE-1269?
Frequently asked questions
O que é o CWE-1269?
This vulnerability occurs when a product ships to customers while still configured with its pre-production or manufacturing settings, which typically include powerful debugging and testing features not intended for real-world use.
Qual a gravidade do CWE-1269?
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-1269?
MITRE lists the following affected platforms: VHDL, Verilog, Compiled, Not OS-Specific, Not Architecture-Specific, Other, Not Technology-Specific.
Como posso prevenir o CWE-1269?
Ensure that there exists a marker for denoting the Manufacturing Complete stage and that the Manufacturing Complete marker gets updated at the Manufacturing Complete stage (i.e., the Manufacturing Complete fuse gets blown). Ensure that there exists a marker for denoting the Manufacturing Complete stage and that the Manufacturing Complete marker gets updated at the Manufacturing Complete stage (i.e., the Manufacturing Complete fuse gets blown).
Como é que o Plexicus deteta e corrige o CWE-1269?
O motor SAST do Plexicus correlaciona a assinatura de fluxo de dados do CWE-1269 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-1269?
A MITRE publica a definição canónica em https://cwe.mitre.org/data/definitions/1269.html. Pode também consultar a documentação da OWASP e do NIST para orientações adjacentes.
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