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  2. Improper input validation
Improper input validation
From Wikipedia, the free encyclopedia

Improper input validation[1] or unchecked user input is a type of vulnerability in computer software that may be used for security exploits.[2] This vulnerability is caused when "[t]he product does not validate or incorrectly validates input that can affect the control flow or data flow of a program."[1]

Examples

[edit]

Examples include:

  • Buffer overflow
  • Cross-site scripting
  • Directory traversal
  • Null byte injection
  • SQL injection
  • Uncontrolled format string

See also

[edit]
  • Input validation – Process of ensuring computer data is both correct and usefulPages displaying short descriptions of redirect targets
  • Common Weakness Enumeration – Catalog of software weaknesses and vulnerabilities (CWE)

References

[edit]
  1. ^ a b "CWE-20: Improper Input Validation". Common Weakness Enumeration. MITRE. December 13, 2010. Retrieved February 22, 2011.
  2. ^ Erickson, Jon (2008). Hacking: the art of exploitation. No Starch Press Series (2, illustrated ed.). Safari Books Online. ISBN 978-1-59327-144-2.

External links

[edit]
  • "Input Validation". OWASP Cheat Sheet Series. Retrieved 2026-02-09.
  • "Improper Data Validation". OWASP Foundation. Retrieved 2026-02-09.
Stub icon

This security software article is a stub. You can help Wikipedia by adding missing information.

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Retrieved from "https://en.wikipedia.org/w/index.php?title=Improper_input_validation&oldid=1337433148"
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