6.1.31 pwn HITBCTF2018 mutepig

下载文件

题目复现

  1. $ file mutepig
  2. mutepig: 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]=180b126011ab0d74ab49d0c3c52a41e85155a6a9, stripped
  3. [firmy@firmy-pc mutepip]$ checksec -f mutepig
  4. RELRO STACK CANARY NX PIE RPATH RUNPATH FORTIFY Fortified Fortifiable FILE
  5. Partial RELRO Canary found NX enabled No PIE No RPATH No RUNPATH Yes 0 1 mutepig
  6. $ strings libc-2.23.so | grep "GNU C"
  7. GNU C Library (GNU libc) stable release version 2.23, by Roland McGrath et al.
  8. Compiled by GNU CC version 8.1.0.

64 位程序,开启了 Canary 和 NX。

题目解析

漏洞利用

参考资料