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2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Network Security >
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The general defense method for command execution vulnerabilities usually uses two functions: EscapeShellCmd and EscapeShellArg, which are analyzed below.
The EscapeShellCmd () function can escape all characters in a string that may be hidden from Shell to execute another command, such as pipe characters (|), semicolons (;), redirection (>), and read from a file (
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