> 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/6.1.35_pwn_0ctf2018_heapstorm2.md).

# 6.1.35 pwn 0CTF2018 heapstorm2

* [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/6.1.35_pwn_0ctf2018_heapstorm2)

## 题目复现

```
$ file heapstorm2 
heapstorm2: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=875a94fee796b76933b4142702569c3f57adadc9, stripped
$ pwn checksec --file heapstorm2 
[*] '/home/firmy/Desktop/heapstorm2/heapstorm2'
    Arch:     amd64-64-little
    RELRO:    Full RELRO
    Stack:    Canary found
    NX:       NX enabled
    PIE:      PIE enabled
$ strings libc-2.24.so | grep "GNU C"
GNU C Library (Debian GLIBC 2.24-11+deb9u3) stable release version 2.24, by Roland McGrath et al.
Compiled by GNU CC version 6.3.0 20170516.
```

## 题目解析

## 漏洞利用

## 参考资料

* <https://ctftime.org/task/5701>
* <https://dangokyo.me/2018/04/07/0ctf-2018-pwn-heapstorm2-write-up/>