ModelScan Bypass PoC โ signal.alarm
Security research for responsible disclosure via Huntr MFV program.
Vulnerability
signal.alarm is not in modelscan's unsafe_globals blocklist.
modelscan reports "No issues found" but loading triggers schedules SIGALRM delivery โ crashes process if no handler set (default terminates).
Impact: HIGH
Reproduction
pip install modelscan
modelscan scan -p bypass_poc.pkl
# Output: "No issues found!"
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