From e9cbeab6d5cbc17778dae988edead2590723c0fa Mon Sep 17 00:00:00 2001 From: eitanMobb <165832608+eitanMobb@users.noreply.github.com> Date: Wed, 11 Dec 2024 08:06:23 -0500 Subject: [PATCH 1/2] Update my naive sql.java --- my naive sql.java | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/my naive sql.java b/my naive sql.java index 78e1515..1e7b6b0 100644 --- a/my naive sql.java +++ b/my naive sql.java @@ -11,6 +11,11 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t try { Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/db"); String user = request.getParameter("username"); + + String query = "SELECT * FROM users WHERE username = '" + request.getParameter("username") + "';"; + Statement stmt = con.createStatement(); + + stmt.executeQuery(query); } catch (Exception e) { throw new ServletException(e); } From 885065fe145e6dec2234775b5610c476ad0eb0ba Mon Sep 17 00:00:00 2001 From: Mobb autofixer Date: Wed, 11 Dec 2024 13:08:48 +0000 Subject: [PATCH 2/2] SQL Injection fix by mobb-c028795f-6f2e-4542-934f-a7d7960c3c2e --- my naive sql.java | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/my naive sql.java b/my naive sql.java index 1e7b6b0..951a8bd 100644 --- a/my naive sql.java +++ b/my naive sql.java @@ -1,3 +1,4 @@ +import java.sql.PreparedStatement; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; @@ -12,10 +13,11 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response) t Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/db"); String user = request.getParameter("username"); - String query = "SELECT * FROM users WHERE username = '" + request.getParameter("username") + "';"; - Statement stmt = con.createStatement(); + String query = "SELECT * FROM users WHERE username = ?;"; + PreparedStatement stmt = con.prepareStatement(query); - stmt.executeQuery(query); + stmt.setString(1, request.getParameter("username")); + stmt.executeQuery(); } catch (Exception e) { throw new ServletException(e); }