CWE-496: Public Data Assigned to Private Array-Typed Field
Assigning public data to a private array is equivalent to giving public access to the array.
How it's found
Public Data Assigned to Private Array-Typed Field is a specific, narrowly defined instance of a broader pattern. Testers confirm it with targeted code review and a proof-of-concept input that exercises the exact code path this weakness describes.
Consequences
- Modify Application Data: The contents of the array can be modified from outside the intended scope.
Mitigations
- Implementation: Do not allow objects to modify private members of a class.
Where this fits in a TurboPentest engagement
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
Frequently asked questions
What is CWE-496?
Assigning public data to a private array is equivalent to giving public access to the array.
How do you find Public Data Assigned to Private Array-Typed Field?
Public Data Assigned to Private Array-Typed Field is a specific, narrowly defined instance of a broader pattern. Testers confirm it with targeted code review and a proof-of-concept input that exercises the exact code path this weakness describes.
What is the impact of CWE-496?
Modify Application Data: The contents of the array can be modified from outside the intended scope.
Does TurboPentest test for Public Data Assigned to Private Array-Typed Field?
This weakness is not covered by the automated black-box pentest. IntegSec pentesters cover it in a manual engagement.
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Written and reviewed by
Michel Chamberland - Founder & CEO, IntegSec
CISSP, OSCP, OSCE, CEH, GIAC, CCSK · 20+ years in offensive security
Michel has spent 20+ years on offensive security teams including IBM X-Force Red and Trustwave SpiderLabs, leading penetration tests, red team engagements, and breach response for Fortune 500 customers. He is the founder of IntegSec and the architect of TurboPentest.
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