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Apple is reportedly aware of and is in the middle of fixing a pair of vulnerabilities that exist in iTunes and the App Store .
 vulnerabilities: vulnerability; iTunes: vulnerable system; the App Store: vulnerable system; Apple: vulnerable system owner
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:
 vulnerabilities: vulnerability; iTunes: vulnerable system; the App Store: vulnerable system; Apple: vulnerable system owner