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The vulnerability is a buffer overflow in a function in the WebDAV service in IIS 6.0 in Microsoft Windows Server 2003 R2 , and can end up triggered by attackers sending an overlong IF header in a PROPFIND request , said researchers at Trend Micro .
 ( discover vulnerability: said,  The vulnerability: vulnerability, WebDAV service in IIS: vulnerable system, Microsoft Windows Server 2003 R2: vulnerable system, attackers sending an overlong IF header in a PROPFIND request: capabilities, researchers: discoverer, Trend Micro: discoverer, 6.0: vulnerable system version) 
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: said,  The vulnerability: vulnerability, WebDAV service in IIS: vulnerable system, Microsoft Windows Server 2003 R2: vulnerable system, attackers sending an overlong IF header in a PROPFIND request: capabilities, researchers: discoverer, Trend Micro: discoverer, 6.0: vulnerable system version) 