lottiedeyan/CVE20264893poc

GitHub: lottiedeyan/CVE20264893poc

针对 dnsmasq EDNS Client Subnet 验证缺陷(CVE-2026-4893)的漏洞 PoC 生成与复现工具。

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拓扑图: https://medium.com/@yanyuyingshu/reproduction-journal-dnsmasq-ecs-validation-and-buffer-overflow-flaws-e0fe0f66f60c 步骤​ 1.vi /etc/dnsmasq.conf​ port=5353​ listen-address=xxx.xxx.xxx.x bind-interfaces​ no-resolv​ no-hosts​ no-poll​ cache-size=1000​ log-queries​ log-facility=-​ server=127.0.0.1#5354​ add-subnet​ (并重启 dnsmasq daemon)​ ​ 2. python3 exp.py​ ​
标签:Dnsmasq, DNS安全, Go语言工具, PoC, 安全, 暴力破解, 超时处理, 逆向工具, 配置审计