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Fix code scanning alert no. 2: Arbitrary file access during archive extraction ("Zip Slip") #1214

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Fix code scanning alert no. 2: Arbitrary file access during archive extraction ("Zip Slip") #1214

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5 changes: 5 additions & 0 deletions src/upgrade/upgrade.go
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Original file line number Diff line number Diff line change
Expand Up @@ -845,6 +845,11 @@ func unzip(src string, dest string) error {
// Build the path for each file in the destination directory
fpath := filepath.Join(dest, f.Name)

// Validate the file path to prevent directory traversal
if strings.Contains(f.Name, "..") {
return fmt.Errorf("invalid file path: %s", f.Name)
}

// Check if the file is a directory
if f.FileInfo().IsDir() {
// Create directory if it doesn't exist
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