Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Digium多款Asterisk Products Invalid SDP 远程拒绝服务漏洞
Vulnerability Description
Digium Asterisk是美国Digium公司的一套开源的电话交换机（PBX）系统软件。该软件支持语音信箱、多方语音会议、交互式语音应答(IVR)等。 多款Asterisk产品中的SIP通道驱动(channels/chan_sip.c)中存在远程拒绝服务漏洞。远程攻击者可通过连接信息之前的SIP请求中无效的SDP，利用该漏洞造成拒绝服务（空指针逆向引用，段错误，守护进程崩溃）。以下产品及版本受到影响：Asterisk Open Source 1.8.23.1之前的1.8.x版本，10.12.3之前的
CVSS Information
N/A
Vulnerability Type
N/A