Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x before 12.3.1, when sub_min_expiry is set to zero, allows remote attackers to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Digium Asterisk Open Source 安全漏洞
Vulnerability Description
Digium Asterisk Open Source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 12.3.1之前的12.x版本中的PJSIP通道驱动程序的Publish/Subscribe Framework中存在安全漏洞。程序设置‘sub_min_expiry’值为‘0’时，远程攻击者可利用该漏洞造成拒绝服务（断言失败和崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A