2018-05-08 12:25:47 +07:00
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# 6.1.26 pwn 34C3CTF2017 300
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2018-05-04 21:56:51 +07:00
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- [题目复现](#题目复现)
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- [题目解析](#题目解析)
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- [漏洞利用](#漏洞利用)
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- [参考资料](#参考资料)
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2018-05-08 12:25:47 +07:00
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[下载文件](../src/writeup/6.1.26_pwn_34c3ctf2017_300)
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2018-05-04 21:56:51 +07:00
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## 题目复现
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```
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$ file 300
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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
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$ checksec -f 300
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RELRO STACK CANARY NX PIE RPATH RUNPATH FORTIFY Fortified Fortifiable FILE
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Full RELRO Canary found NX enabled PIE enabled No RPATH No RUNPATH Yes 0 2 300
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$ strings libc.so.6 | grep "GNU C"
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GNU C Library (Ubuntu GLIBC 2.24-9ubuntu2.2) stable release version 2.24, by Roland McGrath et al.
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Compiled by GNU CC version 6.3.0 20170406.
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```
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2018-05-05 23:53:49 +07:00
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64 位程序 ，开启了 canary、NX 和 PIE，默认开启 ASLR。
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2018-05-04 21:56:51 +07:00
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## 题目解析
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## 漏洞利用
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## 参考资料
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- https://ctftime.org/task/5172
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