Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Asterisk畸形SIP消息远程拒绝服务漏洞
Vulnerability Description
Asterisk是一款PBX系统的软件,运行在Linux系统上,支持使用SIP、IAX、H323协议进行IP通话。 Asterisk在处理畸形结构的报文时存在漏洞,远程攻击者可能利用此漏洞导致服务崩溃。 如果攻击者向5060/UDP端口发送的SIP消息在请求行中没有包含URI和SIP版本的话,如REGISTER\r\n <other valid SIP headers>,则Asterisk在处理该消息时会触发空指针引用,导致拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A