Heap-based buffer overflow in the TELNET_STREAM_CONTEXT::OnSendData function in ftpsvc.dll in Microsoft FTP Service 7.0 and 7.5 for Internet Information Services (IIS) 7.0, and IIS 7.5, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted FTP command, aka "IIS FTP Service Heap Buffer Overrun Vulnerability." NOTE: some of these details are obtained from third party information.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12370
https://exchange.xforce.ibmcloud.com/vulnerabilities/64248
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-004
http://www.vupen.com/english/advisories/2010/3305
http://www.securitytracker.com/id?1024921
http://www.kb.cert.org/vuls/id/842372