# 6.1.15 pwn 34C3CTF2017 SimpleGC

- [题目复现](#题目复现)
- [题目解析](#题目解析)
- [Exploit](#exploit)
- [参考资料](#参考资料)


[下载文件](../src/writeup/6.1.15_pwn_34c3ctf2017_simplegc)

## 题目复现
```
$ file sgc 
sgc: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=f7ef90bc896e72ba0c3191a2ce6acb732bf3b172, stripped
$ checksec -f sgc
RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      FORTIFY Fortified Fortifiable  FILE
Partial RELRO   Canary found      NX enabled    No PIE          No RPATH   No RUNPATH   Yes     0               4       sgc
$ file libc-2.26.so 
libc-2.26.so: ELF 64-bit LSB shared object, x86-64, version 1 (GNU/Linux), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, BuildID[sha1]=6d2b609f0c8e7b338f767b08c5ac712fac809d31, for GNU/Linux 3.2.0, stripped
```


## 题目解析

## Exploit

## 参考资料
- https://ctftime.org/task/5137