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Explaining the potentially serious nature of the software bug , which is tracked as CVE -2018-17144 and classified as a denial - of - service ( DoS ) attack , Casaba Security co-founder Jason Glassberg said : “ [ It ] can take down the network . ”
 Casaba Security co-founder Jason Glassberg: discoverer
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 Casaba Security co-founder Jason Glassberg: discoverer