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The bug , patched in March 2017 , targeted the SMB ( Server Message Block ) , experts found .
 bug: vulnerability; March 2017: time; Server Message Block: vulnerable system; the SMB: vulnerable system
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: patch vulnerability 
  Option: issues addressed, patch, vulnerability, time, vulnerable system version, releaser, patch number, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 bug: vulnerability; March 2017: time; Server Message Block: vulnerable system; the SMB: vulnerable system