> For the complete documentation index, see [llms.txt](https://firmianay.gitbook.io/ctf-all-in-one/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://firmianay.gitbook.io/ctf-all-in-one/6_writeup/pwn/6.1.30_pwn_hitconctf2017_ghost_in_the_heap.md).

# 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](https://github.com/firmianay/CTF-All-In-One/blob/master/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>