CVE:CVE-2007-3764
CNNVD:CNNVD-200707-341
Asterisk是开放源码的软件PBX，支持各种VoIP协议和设备。
Asterisk轻型隧道驱动(chan_skinny)中存在拒绝服务漏洞。如果Asterisk所接收到的报文声明长度为0到3之间，之后为所声明长度+ 4或更多字节，则由于超长的memcpy可能会导致出现分段错误。
solution:Upgrade asterisk asterisk to a higher version than 1.0,1.0.6,1.0.7,1.0.8,1.0.9,1.0.10,1.0.11,1.0.12,1.2.0_beta1,1.2.0_beta2,1.2.5,1.2.6,1.2.7,1.2.8,1.2.9,1.2.10,1.2.11,1.2.12,1.2.13,1.2.14,1.2.15,1.2.16,1.2.17,1.4.1,1.4.2,1.4.4_2007-04-27,1.4_beta,a,b.1.3.2,b.1.3.3,b.2.2.0,and avoid the version 1.0,1.0.6,1.0.7,1.0.8,1.0.9,1.0.10,1.0.11,1.0.12,1.2.0_beta1,1.2.0_beta2,1.2.5,1.2.6,1.2.7,1.2.8,1.2.9,1.2.10,1.2.11,1.2.12,1.2.13,1.2.14,1.2.15,1.2.16,1.2.17,1.4.1,1.4.2,1.4.4_2007-04-27,1.4_beta,a,b.1.3.2,b.1.3.3,b.2.2.0; Upgrade asterisk asterisk_appliance_developer_kit to a higher version than 0.4,and avoid the version (,0.4]; Upgrade asterisk asterisknow to a higher version than beta_5,beta_6,and avoid the version beta_5,beta_6; Upgrade asterisk s800i_appliance to a higher version than 1.0,1.0.1,and avoid the version 1.0,1.0.1