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@CJ13th CJ13th commented Feb 6, 2025

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Comment on lines +22 to +29
const response = await fetch(`http://localhost:8000/tasks/${taskId}`, {
method: "PUT",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${GITHUB_TOKEN}`,
},
body: JSON.stringify({ assignee_user_id: assignedUserId }),
});

Check failure

Code scanning / CodeQL

Server-side request forgery Critical

The
URL
of this request depends on a
user-provided value
.

Copilot Autofix

AI 6 months ago

To fix the SSRF vulnerability, we need to validate and sanitize the taskId parameter before using it in the URL. Specifically:

  1. Restrict the format of taskId: Ensure that taskId adheres to a predefined format (e.g., alphanumeric or UUID) to prevent malicious input.
  2. Use an allow-list: If possible, validate taskId against an allow-list of known valid task IDs.
  3. Avoid direct concatenation: Construct the URL using safe methods that prevent injection or path traversal.

The best approach here is to validate taskId using a regular expression to ensure it conforms to a safe format (e.g., alphanumeric or UUID). This ensures that only legitimate task IDs are used in the request.


Suggested changeset 1
app/api/update-task/route.ts

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/app/api/update-task/route.ts b/app/api/update-task/route.ts
--- a/app/api/update-task/route.ts
+++ b/app/api/update-task/route.ts
@@ -6,5 +6,6 @@
 
-    if (!taskId || !assignedUserId) {
+    const taskIdRegex = /^[a-zA-Z0-9_-]+$/; // Allow alphanumeric, underscores, and hyphens
+    if (!taskId || !assignedUserId || !taskIdRegex.test(taskId)) {
       return NextResponse.json(
-        { error: "Missing required fields" },
+        { error: "Invalid or missing required fields" },
         { status: 400 },
@@ -21,3 +22,3 @@
 
-    const response = await fetch(`http://localhost:8000/tasks/${taskId}`, {
+    const response = await fetch(`http://localhost:8000/tasks/${encodeURIComponent(taskId)}`, {
       method: "PUT",
EOF
@@ -6,5 +6,6 @@

if (!taskId || !assignedUserId) {
const taskIdRegex = /^[a-zA-Z0-9_-]+$/; // Allow alphanumeric, underscores, and hyphens
if (!taskId || !assignedUserId || !taskIdRegex.test(taskId)) {
return NextResponse.json(
{ error: "Missing required fields" },
{ error: "Invalid or missing required fields" },
{ status: 400 },
@@ -21,3 +22,3 @@

const response = await fetch(`http://localhost:8000/tasks/${taskId}`, {
const response = await fetch(`http://localhost:8000/tasks/${encodeURIComponent(taskId)}`, {
method: "PUT",
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2 participants