# 6.1.26 pwn 34C3CTF2017 300

- [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/6.1.26_pwn_34c3ctf2017_300)

## 题目复现
```
$ file 300 
300: 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]=5f43b102f0fe3f3dd770637f1d244384f6b2a1c9, not stripped
$ checksec -f 300
RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      FORTIFY Fortified Fortifiable  FILE
Full RELRO      Canary found      NX enabled    PIE enabled     No RPATH   No RUNPATH   Yes     0               2       300
$ strings libc.so.6 | 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 ，开启了 canary、NX 和 PIE，默认开启 ASLR。


## 题目解析

## 漏洞利用

## 参考资料
- https://ctftime.org/task/5172