Vulnerability Information
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Vulnerability Description
The FWDOWNL firmware-download implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (traffic amplification) via an IAX2 FWDOWNL request.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Asterisk IAX2固件升级报文放大远程拒绝服务漏洞
Vulnerability Description
Asterisk是开放源码的软件PBX,支持各种VoIP协议和设备。 远程用户可以向Asterisk服务器请求发送部分的固件镜像,但固件下载协议没有初始化握手,可能伪造源地址。此外,对固件文件的IAX2 FWDOWNL请求可能仅为40字节,但生成1040字节的响应。如果向多个不同的Asterisk服务器提交了请求的话,就可以用大量固件报文对用户站点执行flood攻击。
CVSS Information
N/A
Vulnerability Type
N/A