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[Aikido] AI Fix for Possible command injection via Process.Start #66

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[Aikido] AI Fix for Possible command injection via Process.Start #66

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7 changes: 6 additions & 1 deletion Command Injection/OSI.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,12 @@ public class OsInjection : ControllerBase
public string os(string binFile)
{
Process p = new Process();
p.StartInfo.FileName = binFile; // Noncompliant
string allowedPath = Path.GetFullPath(Path.Combine(AppContext.BaseDirectory, "allowed_binaries", binFile));
if (!allowedPath.StartsWith(Path.GetFullPath(Path.Combine(AppContext.BaseDirectory, "allowed_binaries"))))
throw new UnauthorizedAccessException("Access to the specified binary is not allowed.");
if (!File.Exists(allowedPath))
throw new FileNotFoundException("Binary not found.");
p.StartInfo.FileName = allowedPath;
p.StartInfo.RedirectStandardOutput = true;
p.Start();
string output = p.StandardOutput.ReadToEnd();
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