[pitboss] phase 08: Track J.6 + Track L.6 — HEADER_INJECTION corpus + every HTTP framework

tests/dynamic_fixtures/header_injection/java/Vuln.java

@@ -0,0 +1,13 @@
+// Phase 08 (Track J.6) — Java HEADER_INJECTION vuln fixture.
+//
+// The function string-concatenates the attacker-controlled `value`
+// directly into a `Set-Cookie` header set via
+// `HttpServletResponse.setHeader`.  A payload carrying `\r\nSet-Cookie:
+// nyx-injected=pwn` splits the single header into two on the wire.
+import javax.servlet.http.HttpServletResponse;
+
+public class Vuln {
+    public static void run(HttpServletResponse response, String value) {
+        response.setHeader("Set-Cookie", value);
+    }
+}