A script modifies file permissions with user-supplied inputs and tries to confirm them, but misses some unexpected data. The client also worried about malicious library attacks. A penetration tester introduced additional parameters to acquire elevated privileges. Which method best describes how these extra parameters were utilized to get past the script’s checks?
By adding hidden instructions inside the user input, the script’s validation was bypassed, enabling functions it did not intend to allow. Hijacking a malicious library requires targeting how libraries are loaded. Injecting a harmful path involves the directory precedence mechanism. Adjusting environment variables modifies global settings rather than inserting new flags.
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What is parameter smuggling?
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How does parameter smuggling differ from insecure path injection?
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What makes DLL hijacking different from parameter smuggling?