@Override
 protected String doInBackground() throws Exception {
   publish("Starting...");
   IExtensionHelpers helpers = callbacks.getHelpers();
   publish(0);
   IHttpRequestResponse[] messages = callbacks.getProxyHistory();
   if (messages.length == 0) {
     publish(100);
   } else {
     firstPass(helpers, messages);
     parameterFormatAnalysis();
     // secondPass(helpers);  This is just too darn slow as it is now... need to rethink it.
   }
   return "";
 }
Пример #2
0
  @Override
  public List<IScanIssue> scan(
      IBurpExtenderCallbacks callbacks,
      IHttpRequestResponse baseRequestResponse,
      IScannerInsertionPoint insertionPoint) {

    List<IScanIssue> issues = new ArrayList<>();

    IExtensionHelpers helpers = callbacks.getHelpers();
    stderr = new PrintWriter(callbacks.getStderr(), true);

    IRequestInfo reqInfo = helpers.analyzeRequest(baseRequestResponse);

    URL url = reqInfo.getUrl();
    String host = url.getHost();
    int port = url.getPort();

    String system = host.concat(Integer.toString(port));

    // System not yet tested for this vulnerability
    if (!hs.contains(system)) {

      hs.add(system);

      String protocol = url.getProtocol();
      Boolean isSSL = (protocol.equals("https"));

      for (String STATUS_SERVLET_PATH : STATUS_SERVLET_PATHS) {

        try {
          // Test the presence of tomcat console
          URL urlToTest = new URL(protocol, url.getHost(), url.getPort(), STATUS_SERVLET_PATH);
          byte[] statustest = helpers.buildHttpRequest(urlToTest);

          byte[] responseBytes =
              callbacks.makeHttpRequest(url.getHost(), url.getPort(), isSSL, statustest);

          // look for matches of our active check grep string in the response body
          IResponseInfo statusInfo = helpers.analyzeResponse(responseBytes);

          /*
           *  Try basic HTTP Authentication Bruteforcing
           */
          if (statusInfo.getStatusCode() == 401) {

            issues.add(
                new CustomScanIssue(
                    baseRequestResponse.getHttpService(),
                    urlToTest,
                    new CustomHttpRequestResponse(
                        statustest, responseBytes, baseRequestResponse.getHttpService()),
                    "HTTP Basic Authentication - Status Servlet",
                    "A status servlet is protected using HTTP Basic authentication",
                    REMEDY,
                    Risk.Low,
                    Confidence.Certain));

            // Test Weak Passwords
            CustomHttpRequestResponse httpWeakPasswordResult;
            httpWeakPasswordResult = HTTPBasicBruteforce(callbacks, urlToTest);

            if (httpWeakPasswordResult != null) {

              // Retrieve the weak credentials
              String weakCredential = null;
              String weakCredentialDescription = "";
              try {

                IRequestInfo reqInfoPwd =
                    callbacks
                        .getHelpers()
                        .analyzeRequest(
                            baseRequestResponse.getHttpService(),
                            httpWeakPasswordResult.getRequest());
                weakCredential =
                    new String(
                        helpers.base64Decode(HTTPParser.getHTTPBasicCredentials(reqInfoPwd)));
              } catch (Exception ex) {
                stderr.println("Error during Authorization Header parsing " + ex);
              }

              if (weakCredential != null) {
                weakCredentialDescription +=
                    String.format(
                        "<br /><br /> The weak credentials are " + "<b>%s</b><br /><br />",
                        weakCredential);
              }

              issues.add(
                  new CustomScanIssue(
                      baseRequestResponse.getHttpService(),
                      urlToTest,
                      httpWeakPasswordResult,
                      "Status Servlet Weak Password",
                      "Status Servlet is installed on the remote system with a default password"
                          + weakCredentialDescription,
                      "Change default/weak password and/or restrict access to the console only from trusted hosts/networks",
                      Risk.Medium,
                      Confidence.Certain));

              return issues;
            }
          }

          if (statusInfo.getStatusCode() == 200) {

            List<int[]> matches_j2ee = getMatches(responseBytes, GREP_STRING_J2EE, helpers);
            if (matches_j2ee.size() > 0) {

              issues.add(
                  new CustomScanIssue(
                      baseRequestResponse.getHttpService(),
                      helpers.analyzeRequest(baseRequestResponse).getUrl(),
                      new CustomHttpRequestResponse(
                          statustest, responseBytes, baseRequestResponse.getHttpService()),
                      StatusServlet.TITLE,
                      StatusServlet.DESCRIPTION,
                      REMEDY,
                      Risk.Low,
                      Confidence.Certain));

              return issues;
            }

            List<int[]> matches_httpd = getMatches(responseBytes, GREP_STRING_HTTPD, helpers);
            if (matches_httpd.size() > 0) {

              issues.add(
                  new CustomScanIssue(
                      baseRequestResponse.getHttpService(),
                      helpers.analyzeRequest(baseRequestResponse).getUrl(),
                      new CustomHttpRequestResponse(
                          statustest, responseBytes, baseRequestResponse.getHttpService()),
                      StatusServlet.TITLE,
                      StatusServlet.DESCRIPTION,
                      REMEDY,
                      Risk.Low,
                      Confidence.Certain));

              return issues;
            }
          }

        } catch (MalformedURLException ex) {
          stderr.println("Malformed URL Exception " + ex);
        }
      }
    }

    return issues;
  }