Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Digium Asterisk拒绝服务漏洞
Vulnerability Description
Digium Asterisk是美国Digium公司的一套开源电话交换机（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。 如果配置pedantic=yes的话，SIP信道驱动会对SIP回溯所接收到的INVITE执行额外的请求URI检查，检查中会对所发送的出站SIP INVITE头与接收到的SIP INVITE头做比较，检查代码假设所有情况下的每个头都不会为空，而实际上如果没有头的话，传送的值会为空，这可能在sip_uri_params_cmp()和sip_uri_head
CVSS Information
N/A
Vulnerability Type
N/A