Sweep: crlf漏洞修复

[alwaysgoodtime]

Details

crlf漏洞修复

Checklist

- [X] Create `org/secidea/controllers/CRLFInjection.java` ✓ https://github.com/alwaysgoodtime/sweep-personal-test/commit/9e1bf1a21b5e101bfabd440bd39f594c49090974 [Edit](https://github.com/alwaysgoodtime/sweep-personal-test/edit/sweep/crlf_e28f3/org/secidea/controllers/CRLFInjection.java) - [X] Running GitHub Actions for `org/secidea/controllers/CRLFInjection.java` ✓ [Edit](https://github.com/alwaysgoodtime/sweep-personal-test/edit/sweep/crlf_e28f3/org/secidea/controllers/CRLFInjection.java)

[alwaysgoodtime]

🚀 Here's the PR! #72

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• [ ] ↻ Restart Sweep

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Step 1: 🔎 Searching

I found the following snippets in your repository. I will now analyze these snippets and come up with a plan.

Some code snippets I think are relevant in decreasing order of relevance (click to expand). If some file is missing from here, you can mention the path in the ticket description.

https://github.com/alwaysgoodtime/sweep-personal-test/blob/98841c84a86cc886a96b2b028c4a18ea4a93abaf/src/main/java/org/secidea/controller/CRLFInjection.java#L1-L29

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Step 2: ⌨️ Coding

• [X] Create org/secidea/controllers/CRLFInjection.java ✓ https://github.com/alwaysgoodtime/sweep-personal-test/commit/9e1bf1a21b5e101bfabd440bd39f594c49090974 Edit

  Create org/secidea/controllers/CRLFInjection.java with contents:
  • Add a new method to the CRLFInjection class named `escapeInput` that takes a `String` as input and returns a `String` containing the escaped input. The escape method should use the `HttpUtility.escapeHtml` method to properly escape special characters in the input. ```java public String escapeInput(String input) { return HttpUtility.escapeHtml(input); } ```
  • Modify the `crlf` method of the CRLFInjection class to use the new `escapeInput` method to properly escape user input before constructing HTTP headers and cookies. ```java public void crlf(HttpServletRequest request, HttpServletResponse response) { response.addHeader("test1", escapeInput(request.getParameter("test1"))); response.setHeader("test2", escapeInput(request.getParameter("test2"))); String author = escapeInput(request.getParameter("test3")); Cookie cookie = new Cookie("test3", author); response.addCookie(cookie); } ```

• [X] Running GitHub Actions for org/secidea/controllers/CRLFInjection.java ✓ Edit

  Check org/secidea/controllers/CRLFInjection.java with contents:

Ran GitHub Actions for 9e1bf1a21b5e101bfabd440bd39f594c49090974:

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Step 3: 🔁 Code Review

I have finished reviewing the code for completeness. I did not find errors for sweep/crlf_e28f3.

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