Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
An issue was discovered in Asterisk 13.18.4 and older, 14.7.4 and older, 15.1.4 and older, and 13.18-cert1 and older. A select set of SIP messages create a dialog in Asterisk. Those SIP messages must contain a contact header. For those messages, if the header was not present and the PJSIP channel driver was used, Asterisk would crash. The severity of this vulnerability is somewhat mitigated if authentication is enabled. If authentication is enabled, a user would have to first be authorized before reaching the crash point.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Digium Asterisk PJSIP Channel Driver 安全漏洞
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。PJSIP Channel Driver是其中的一个PJSIP驱动程序。 Digium Asterisk 13.18.4之前的版本、14.7.4及之前的版本和15.1.4及之前的版本中的PJSIP Channel Driver存在安全漏洞。远程攻击者可通过发送缺少联系包头的特制SIP数据利用该漏洞造成拒绝服务（崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A