CVE:CVE-2019-1922
CNNVD:CNNVD-201907-226
Cisco IP Phone 8800 Series和Cisco IP Phone 7800 Series都是美国思科（Cisco）公司的产品。Cisco IP Phone 8800 Series是一款8800系列的IP电话。Cisco IP Phone 7800 Series是一款7800系列IP电话。SIP IP Phone Software是其中的一套IP电话软件。
Cisco IP Phone 8800 Series和Cisco IP Phone 7800 Series中的SIP IP Phone Software存在代码问题漏洞，该漏洞源于程序没有充分地验证会话启动协议（SIP）数据包。远程攻击者可通过修改SIP回复利用该漏洞造成手机重启并使其无法完成注册过程。
solution:Upgrade cisco ip_conference_phone_7832_firmware to a higher version than -; Upgrade cisco ip_conference_phone_8832_firmware to a higher version than 11.5(1,12.5(1,and avoid the version 11.5(1),12.5(1); Upgrade cisco ip_phone_7811_firmware to a higher version than -; Upgrade cisco ip_phone_7821_firmware to a higher version than -; Upgrade cisco ip_phone_7841_firmware to a higher version than -; Upgrade cisco ip_phone_7861_firmware to a higher version than -; Upgrade cisco ip_phone_8811_firmware to a higher version than 11.5(1,12.5(1,and avoid the version 11.5(1),12.5(1); Upgrade cisco ip_phone_8841_firmware to a higher version than 11.5(1,12.5(1,and avoid the version 11.5(1),12.5(1); Upgrade cisco ip_phone_8845_firmware to a higher version than 11.5(1,12.5(1,and avoid the version 11.5(1),12.5(1); Upgrade cisco ip_phone_8851_firmware to a higher version than 11.5(1,12.5(1,and avoid the version 11.5(1),12.5(1); Upgrade cisco ip_phone_8861_firmware to a higher version than 11.5(1,12.5(1,and avoid the version 11.5(1),12.5(1); Upgrade cisco ip_phone_8865_firmware to a higher version than 11.5(1,12.5(1,and avoid the version 11.5(1),12.5(1)