Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
Dnsmasq‘tcp_request’拒绝服务漏洞
Vulnerability Description
Dnsmasq是软件开发者Simon Kelley所研发的一款使用C语言编写的开源轻量级DNS转发和DHCP、TFTP服务器。 Dnsmasq 2.73rc4之前版本的‘tcp_request’函数中存在安全漏洞，该漏洞源于程序没有正确处理‘setup_reply’函数的返回值。远程攻击者可通过发送畸形的DNS请求利用该漏洞读取进程内存，造成拒绝服务（越边界读取和崩溃）。
CVSS Information
N/A
Vulnerability Type
N/A