🛡️ Sentinel: [CRITICAL] Fix command injection in resource opener#188
🛡️ Sentinel: [CRITICAL] Fix command injection in resource opener#188haseeb-heaven wants to merge 1 commit into
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Replaced `subprocess.call(['start', filename], shell=True)` with secure `os.startfile(filename)` when opening files on Windows to prevent command injection vulnerabilities. Added Sentinel learning journal entry.
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🛡️ Sentinel: [CRITICAL] Fix command injection in resource opener
🚨 Severity: CRITICAL
💡 Vulnerability: Command injection on Windows when opening files via subprocess.call with shell=True. Even though
os.path.isfileis checked, valid filenames on Windows can contain shell metacharacters (e.g.&and^), meaning an attacker who creates such a file or controls the filename parameter could execute arbitrary commands.🎯 Impact: Arbitrary code execution if an attacker supplies a malicious file name.
🔧 Fix: Replaced
subprocess.call(['start', filename], shell=True)with secure native APIos.startfile(filename).✅ Verification: Ran python tests and verified no regressions. Verified that files open securely on Windows environments natively without shell interpretation.
PR created automatically by Jules for task 4285252108870944537 started by @haseeb-heaven