CTF-All-In-One/doc/6.1.18_pwn_hitbctf2017_sentosa.md
2018-04-21 12:02:03 +08:00

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# 6.1.18 pwn HITBCTF2017 Sentosa
- [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/6.1.18_pwn_hitbctf2017_sentosa)
## 题目复现
```
$ file sentosa
sentosa: 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]=556ed41f51d01b6a345af2ffc2a135f7f8972a5f, stripped
$ checksec -f sentosa
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 3 sentosa
$ strings libc.so.6| grep "GNU C"
GNU C Library (Ubuntu GLIBC 2.23-0ubuntu4) stable release version 2.23, by Roland McGrath et al.
Compiled by GNU CC version 5.4.0 20160609.
```
## 题目解析
## Exploit
## 参考资料
- https://ctftime.org/task/4460