1612
Besides the specific stack overflow bugs exploited by the proof - of - concept attack , Beniamini said a lack of security protections built into many software and hardware platforms made the Broadcom chipset a prime target .
 ( discover vulnerability: exploited,  bugs: vulnerability, proof - of - concept attack: vulnerability) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: exploited,  bugs: vulnerability, proof - of - concept attack: vulnerability) 