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📌 References

  • Issue: Closes #?

📝 Implementation

📹 Screenshots/Screen capture

🔥 Notes to the tester


getPassword() {
const suffix = Math.random();
const password = "myPassword" + suffix;

Check failure

Code scanning / CodeQL

Insecure randomness High

This uses a cryptographically insecure random number generated at
Math.random()
in a security context.

Copilot Autofix

AI about 1 year ago

To fix the problem, we need to replace the use of Math.random() with a cryptographically secure random number generator. In Node.js, we can use the crypto module's randomBytes method to generate secure random values. We will convert these random bytes to a number and use it as the suffix for the password.

  • Replace Math.random() with a secure random number generator from the crypto module.
  • Ensure the generated random number is properly converted to a string to maintain the existing functionality.
  • Import the crypto module at the beginning of the file.
Suggested changeset 1
src/domain/entities/User.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/src/domain/entities/User.ts b/src/domain/entities/User.ts
--- a/src/domain/entities/User.ts
+++ b/src/domain/entities/User.ts
@@ -2,2 +2,3 @@
 import { NamedRef } from "./Ref";
+import { randomBytes } from "crypto";
 
@@ -25,3 +26,3 @@
     getPassword() {
-        const suffix = Math.random();
+        const suffix = randomBytes(4).readUInt32BE(0);
         const password = "myPassword" + suffix;
@@ -31,4 +32,4 @@
     getPassword2() {
-        const suffix = Math.random();
-        const suffix2 = Math.random();
+        const suffix = randomBytes(4).readUInt32BE(0);
+        const suffix2 = randomBytes(4).readUInt32BE(0);
         const password = "myPassword" + suffix + suffix2;
EOF
@@ -2,2 +2,3 @@
import { NamedRef } from "./Ref";
import { randomBytes } from "crypto";

@@ -25,3 +26,3 @@
getPassword() {
const suffix = Math.random();
const suffix = randomBytes(4).readUInt32BE(0);
const password = "myPassword" + suffix;
@@ -31,4 +32,4 @@
getPassword2() {
const suffix = Math.random();
const suffix2 = Math.random();
const suffix = randomBytes(4).readUInt32BE(0);
const suffix2 = randomBytes(4).readUInt32BE(0);
const password = "myPassword" + suffix + suffix2;
Copilot is powered by AI and may make mistakes. Always verify output.
getPassword2() {
const suffix = Math.random();
const suffix2 = Math.random();
const password = "myPassword" + suffix + suffix2;

Check failure

Code scanning / CodeQL

Insecure randomness High

This uses a cryptographically insecure random number generated at
Math.random()
in a security context.
This uses a cryptographically insecure random number generated at
Math.random()
in a security context.

Copilot Autofix

AI about 1 year ago

To fix the problem, we need to replace the use of Math.random() with a cryptographically secure random number generator. In Node.js, we can use the crypto module's randomBytes method to generate secure random values. We will convert these random bytes to a suitable format for use in the password.

Specifically, we will:

  1. Import the crypto module.
  2. Replace the use of Math.random() with crypto.randomBytes to generate secure random values.
  3. Convert the random bytes to a format that can be appended to the password string.
Suggested changeset 1
src/domain/entities/User.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/src/domain/entities/User.ts b/src/domain/entities/User.ts
--- a/src/domain/entities/User.ts
+++ b/src/domain/entities/User.ts
@@ -2,2 +2,3 @@
 import { NamedRef } from "./Ref";
+import { randomBytes } from "crypto";
 
@@ -25,3 +26,3 @@
     getPassword() {
-        const suffix = Math.random();
+        const suffix = randomBytes(4).toString('hex');
         const password = "myPassword" + suffix;
@@ -31,4 +32,4 @@
     getPassword2() {
-        const suffix = Math.random();
-        const suffix2 = Math.random();
+        const suffix = randomBytes(4).toString('hex');
+        const suffix2 = randomBytes(4).toString('hex');
         const password = "myPassword" + suffix + suffix2;
EOF
@@ -2,2 +2,3 @@
import { NamedRef } from "./Ref";
import { randomBytes } from "crypto";

@@ -25,3 +26,3 @@
getPassword() {
const suffix = Math.random();
const suffix = randomBytes(4).toString('hex');
const password = "myPassword" + suffix;
@@ -31,4 +32,4 @@
getPassword2() {
const suffix = Math.random();
const suffix2 = Math.random();
const suffix = randomBytes(4).toString('hex');
const suffix2 = randomBytes(4).toString('hex');
const password = "myPassword" + suffix + suffix2;
Copilot is powered by AI and may make mistakes. Always verify output.
})
).map(d2User => {
const res = this.buildUser(d2User);
const password = "myPassword" + Math.random();

Check failure

Code scanning / CodeQL

Insecure randomness High

This uses a cryptographically insecure random number generated at
Math.random()
in a security context.

Copilot Autofix

AI about 1 year ago

To fix the problem, we need to replace the use of Math.random() with a cryptographically secure random number generator. In Node.js, we can use the crypto module's randomBytes function to generate secure random values. We will convert the random bytes to a number and use it as the suffix for the password.

  1. Import the crypto module at the top of the file.
  2. Replace the Math.random() call with a secure random number generated using crypto.randomBytes.
Suggested changeset 1
src/data/repositories/UserD2Repository.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/src/data/repositories/UserD2Repository.ts b/src/data/repositories/UserD2Repository.ts
--- a/src/data/repositories/UserD2Repository.ts
+++ b/src/data/repositories/UserD2Repository.ts
@@ -4,3 +4,3 @@
 import { apiToFuture, FutureData } from "$/data/api-futures";
-
+import { randomBytes } from "crypto";
 export class UserD2Repository implements UserRepository {
@@ -39,3 +39,3 @@
             const res = this.buildUser(d2User);
-            const password = "myPassword" + Math.random();
+            const password = "myPassword" + randomBytes(4).readUInt32BE(0);
             return res;
EOF
@@ -4,3 +4,3 @@
import { apiToFuture, FutureData } from "$/data/api-futures";

import { randomBytes } from "crypto";
export class UserD2Repository implements UserRepository {
@@ -39,3 +39,3 @@
const res = this.buildUser(d2User);
const password = "myPassword" + Math.random();
const password = "myPassword" + randomBytes(4).readUInt32BE(0);
return res;
Copilot is powered by AI and may make mistakes. Always verify output.
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2 participants