Comments (3)
This is a defense mechanism called "Double Submit Cookie" and OWASP recommends having them as separate cookies: https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html
Also, there is no good protection against CSRF if you are XSS vulnerable as the request is coming from the same domain (and thus not cross-site).
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Thanks, I wrote part of the "Double Submit Cookie" section actually. Sending two cookies helps the implementation be less prone to error, but isn't technically more secure than sending one cookie (assuming they are from the same domain/path as you mention).
My question was one of reducing bandwidth and resource usage.
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Ok then I misunderstood what you're proposing. By the way, you can set the default cookie values using this but I agree that it should be httpOnly
per default.
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Related Issues (20)
- Filtering out safe methods and excluded paths HOT 2
- Token value error HOT 6
- Send a response body in defaultFailureHandler HOT 2
- please consider updating tags or deleting the current tag HOT 3
- example is insecure HOT 4
- Remove Referer check HOT 1
- Possible flaw HOT 2
- SetBaseCookie not having effect HOT 8
- Wiki page for newbies doubts and problems
- Doubts about many cookies and many Path for a single domain. HOT 13
- Prevent form resubmit HOT 1
- Logging HOT 1
- Is this normal behavior? HOT 5
- RegenerateToken generates two CSRF cookies when no previous CSRF cookie was set
- How does nosurf OTP protect against BREACH? HOT 5
- Inappropriate key in call to `context.WithValue`
- Ability to handle multiple cookies in context HOT 5
- Installing command of `nosurf` is missing in README.md
- CSRF failed with bad request HOT 1
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