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6c476b1798
CTF-All-In-One/doc/6.1.15_pwn_34c3ctf2017_simplegc.md
firmianay 6c476b1798 add 6.1.15
2018-04-14 20:52:17 +08:00

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6.1.15 pwn 34C3CTF2017 SimpleGC

下载文件

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