590
The bug , which was first spotted by researchers at Check Point , is caused by a development oversight in Android permissions , which in the past required users to manually grant downloaded applications the ability to display content on top of other app panes .
 researchers: discoverer; Check Point: discoverer; The bug: vulnerability; manually grant downloaded applications the ability: capabilities
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:
 researchers: discoverer; Check Point: discoverer; The bug: vulnerability; manually grant downloaded applications the ability: capabilities