# 6.1.30 pwn HITCONCTF2017 Ghost_in_the_heap - [题目复现](#题目复现) - [题目解析](#题目解析) - [漏洞利用](#漏洞利用) - [参考资料](#参考资料) [下载文件](../src/writeup/6.1.30_pwn_hitconctf2017_ghost_in_the_heap) ## 题目复现 ``` $ file ghost_in_the_heap ghost_in_the_heap: ELF 64-bit LSB pie executable x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=e862c2118fbad287f5947b95b6f5a5a532fa4a6f, stripped $ checksec -f ghost_in_the_heap RELRO STACK CANARY NX PIE RPATH RUNPATH FORTIFY Fortified Fortifiable FILE Full RELRO Canary found NX enabled PIE enabled No RPATH No RUNPATH Yes 1 2 ghost_in_the_heap $ strings libc-2.24.so | grep "GNU C" GNU C Library (Ubuntu GLIBC 2.24-9ubuntu2.2) stable release version 2.24, by Roland McGrath et al. Compiled by GNU CC version 6.3.0 20170406. ``` 64 位程序,保护全开。 ## 题目解析 ## 漏洞利用 ## 参考资料 - https://ctftime.org/task/4847