Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Digium Asterisk Open Source 输入验证漏洞
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。 Digium Asterisk Open Source 12.1.0之前的12.x版本中的PJSIP Channel驱动程序的res/res_pjsip_exten_state.c文件存在安全漏洞。远程攻击者可通过发送没有任何Accept头部信息的SUBSCRIBE请求利用该漏洞造成拒绝服务（崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A