Microsoft Office Communications Server SIP INVITE Denial of Service - Secunia Advisories - Vulnerability Intelligence - Secunia.com（情報元のブックマーク数）
MSのSIPにDoSを受ける脆弱性だそうです。SIP INVITEメッセージを複数受けると影響を受けるそうです。
A vulnerability has been reported in Microsoft Office Communications Server, which potentially can be exploited by malicious people to cause a DoS (Denial of Service).
Security Advisory SA32940 - Microsoft Office Communications Server SIP INVITE Denial of Service - Secunia
The vulnerability is caused due to an error in the processing of SIP messages. This can be exploited to potentially exhaust all available memory via multiple SIP INVITE messages sent to an affected server.
