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| app.get('/', (req, res) => res.send('Hello World!')) | ||
| app.get('/demo/:id', (req, res) => { | ||
| res.send(`Hello Guest`) | ||
| eval('console.log("incredible!! ", ' + req.params.id + ')') |
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Code scanning / CodeQL
Code injection
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Micro-Learning Topic: Code injection (Detected by phrase)
Matched on "Code injection"
Code injection happens when an application insecurely accepts input that is subsequently used in a dynamic code evaluation call. If insufficient validation or sanitisation is performed on the input, specially crafted inputs may be able to alter the syntax of the evaluated code and thus alter execution. In a worst case scenario, an attacker could run arbitrary code in the server context and thus perform almost any action on the application server.
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Helpful references
- OWASP Command Injection - OWASP community page with comprehensive information about Code Injection, and links to various OWASP resources to help detect or prevent it.
- SEI CERT Oracle Coding Standard for Java - Prevent Code Injection - Carnegie Mellon University Software Engineering Institute guidance on preventing code injection vulnerabilities in Java.
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