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src/v0.8/keystone/MockKeystoneForwarder.sol:MockKeystoneForwarder`;

console.log("\nRunning verification...");
execSync(cmd, { stdio: 'inherit' });

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Indirect uncontrolled command line Medium

This command depends on an unsanitized
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.

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AI 7 days ago

The problem can be fixed by avoiding passing a single shell command string to execSync, and instead using an API that invokes a binary directly with list-of-arguments, such as execFileSync. This prevents any shell metacharacter interpretation and so avoids injection. In this case, we replace:

const cmd = `cd contracts && forge verify-contract ...`
execSync(cmd, { stdio: 'inherit' });

with

execFileSync('forge', [...args], { cwd: 'contracts', stdio: 'inherit' });

where args is an array of all the arguments previously included as part of the string, including all flags and parameter values. Arguments are split exactly as would have been split by the shell, except that environment variable interpolation is replaced by direct use.

If the use of cd contracts && ... was simply to change the working directory, the equivalent for execFileSync is to set the third argument's cwd property to contracts.

Thus, the only changes required are:

  • Require execFileSync from child_process (possibly already available as execSync is already imported; add if not).
  • Construct the arguments for the forge verify-contract call as an array.
  • Invoke execFileSync instead of execSync, passing in 'forge' and the argument array, with { cwd: 'contracts', stdio: 'inherit' }.

No new dependencies are needed.


Suggested changeset 1
verify-sepolia.js

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/verify-sepolia.js b/verify-sepolia.js
--- a/verify-sepolia.js
+++ b/verify-sepolia.js
@@ -1,5 +1,5 @@
 const fs = require("fs");
-const { execSync } = require("child_process");
+const { execSync, execFileSync } = require("child_process");
 
 // Try to load dotenv if available
 try {
@@ -44,16 +44,18 @@
     console.log("\nWaiting 3 seconds to avoid rate limit...");
     await new Promise(resolve => setTimeout(resolve, 3000));
     
-    const cmd = `cd contracts && forge verify-contract \
-      --chain sepolia \
-      --etherscan-api-key ${process.env.ETHERSCAN_API_KEY} \
-      --watch \
-      --retry 3 \
-      ${contractAddress} \
-      src/v0.8/keystone/MockKeystoneForwarder.sol:MockKeystoneForwarder`;
+    const forgeArgs = [
+      'verify-contract',
+      '--chain', 'sepolia',
+      '--etherscan-api-key', process.env.ETHERSCAN_API_KEY,
+      '--watch',
+      '--retry', '3',
+      contractAddress,
+      'src/v0.8/keystone/MockKeystoneForwarder.sol:MockKeystoneForwarder'
+    ];
 
     console.log("\nRunning verification...");
-    execSync(cmd, { stdio: 'inherit' });
+    execFileSync('forge', forgeArgs, { cwd: 'contracts', stdio: 'inherit' });
     
     console.log("\n✅ Contract verified successfully!");
     console.log(`View on Sepolia Etherscan: https://sepolia.etherscan.io/address/${contractAddress}#code`);
EOF
@@ -1,5 +1,5 @@
const fs = require("fs");
const { execSync } = require("child_process");
const { execSync, execFileSync } = require("child_process");

// Try to load dotenv if available
try {
@@ -44,16 +44,18 @@
console.log("\nWaiting 3 seconds to avoid rate limit...");
await new Promise(resolve => setTimeout(resolve, 3000));

const cmd = `cd contracts && forge verify-contract \
--chain sepolia \
--etherscan-api-key ${process.env.ETHERSCAN_API_KEY} \
--watch \
--retry 3 \
${contractAddress} \
src/v0.8/keystone/MockKeystoneForwarder.sol:MockKeystoneForwarder`;
const forgeArgs = [
'verify-contract',
'--chain', 'sepolia',
'--etherscan-api-key', process.env.ETHERSCAN_API_KEY,
'--watch',
'--retry', '3',
contractAddress,
'src/v0.8/keystone/MockKeystoneForwarder.sol:MockKeystoneForwarder'
];

console.log("\nRunning verification...");
execSync(cmd, { stdio: 'inherit' });
execFileSync('forge', forgeArgs, { cwd: 'contracts', stdio: 'inherit' });

console.log("\n✅ Contract verified successfully!");
console.log(`View on Sepolia Etherscan: https://sepolia.etherscan.io/address/${contractAddress}#code`);
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Static analysis results are available

Hey @akhilchainani, you can view Slither reports in the job summary here or download them as artifact here.
Please check them before merging and make sure you have addressed all issues.

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