Potential fix for code scanning alert no. 49: Failure to use secure cookies

[davewichers]

Potential fix for https://github.com/aspectsecurity/TestCodeQL/security/code-scanning/49

In general, to fix this kind of issue you must ensure that any cookie added to an HttpServletResponse has the secure attribute enabled, so that the cookie will only be sent over HTTPS connections. In Java servlets using javax.servlet.http.Cookie, this is done by calling cookie.setSecure(true); before response.addCookie(cookie); and avoiding any later code that turns it back off.

For this specific file, the best minimal fix is to change the insecure configuration of the SomeCookie cookie in doPost. Currently, the code does:

javax.servlet.http.Cookie cookie = new javax.servlet.http.Cookie("SomeCookie", str);

cookie.setSecure(false);
cookie.setHttpOnly(true);
cookie.setPath(request.getRequestURI());
response.addCookie(cookie);
...
+ "' and secure flag set to: false");

To maintain behavior while fixing the vulnerability, we should:

• Set the secure flag to true instead of false:

cookie.setSecure(true);

• Update the user-facing message so it accurately reflects the new configuration:

+ "' and secure flag set to: true");

No new imports or methods are required; we only modify the existing cookie configuration lines in doPost. All changes are confined to src/main/java/org/owasp/benchmark/testcode/Benchmark00087.java around lines 89–101.

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