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CRLF Injection

  • Risk:
  • Medium

  • Type:
  • Active
Summary
Cookie can be set via CRLF injection. It may also be possible to set arbitrary HTTP response headers. In addition, by carefully crafting the injected response using cross-site script, cache poisoning vulnerability may also exist.
Solution
Type check the submitted parameter carefully. Do not allow CRLF to be injected by filtering CRLF.
References

https://owasp.org/www-community/vulnerabilities/CRLF_Injection

https://cwe.mitre.org/data/definitions/113.html

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