[jira] [Created] (NIFI-10899) Apply SameSite Attribute to Cookies

["David Handermann (Jira)" <ji...@apache.org>]

David Handermann created NIFI-10899:
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             Summary: Apply SameSite Attribute to Cookies
                 Key: NIFI-10899
                 URL: https://issues.apache.org/jira/browse/NIFI-10899
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Core Framework, Security
            Reporter: David Handermann
            Assignee: David Handermann


The standard {{Authorization-Bearer}} cookie includes the [SameSite|https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite] attribute in the {{Set-Cookie}} response header, but other cookies for CSRF mitigation, logout processing, and external authentication service integration do not apply the attribute when setting cookies.

The Java Servlet [Cookie|https://docs.oracle.com/javaee/7/api/javax/servlet/http/Cookie.html] does not support the {{SameSite}} attribute, but the NiFi {{StandardApplicationCookieService}} uses the Spring Response Cookie Builder, which supports the attribute and is capable of applying it to {{Set-Cookie}} headers. Direct use of the Java Servlet {{Cookie}} should be replaced with the implementation approach that supports setting the {{SameSite}} attribute to avoid warnings in modern browsers. In absence of the {{SameSite}} attribute, browsers default to {{{}Lax{}}}, but this can be changed to {{Strict}} in most cases.



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