6.1.31 pwn HITBCTF2018 mutepig
题目复现
$ file mutepig
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
[firmy@firmy-pc mutepip]$ checksec -f mutepig
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 1 mutepig
$ strings libc-2.23.so | grep "GNU C"
GNU C Library (GNU libc) stable release version 2.23, by Roland McGrath et al.
Compiled by GNU CC version 8.1.0.
64 位程序，开启了 Canary 和 NX。