https://www.securityfocus.com/bid/89709
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-200507-093

Cisco7940/7960是Cisco公司网络交换设备。Cisco7940/7960的VoiceoverIP(VoIP)电话存在远程欺骗漏洞。由于验证订阅时未正确检查NOTIFY消息中的Call-ID、分机和标记值，这使得远程攻击者可以进行欺骗，例如”Messageswaiting”消息。

来源:XF
名称:sip-notify-message-spoof(21260)
链接:http://xforce.iss.net/xforce/xfdb/21260
来源:SECTRACK
名称:1014406
链接:http://www.securitytracker.com/alerts/2005/Jul/1014406.html
来源:MISC
链接:http://pentest.tele-consulting.com/advisories/05_07_06_voip-phones.txt
来源:BUGTRAQ
名称:20050706VoIP-Phones:WeaknessinproccessingSIP-Notify-Messages
链接:http://marc.theaimsgroup.com/?l=bugtraq&m;=112067698624686&w;=2