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1.1 KiB
1.1 KiB
6.1.30 pwn HITCONCTF2017 Ghost_in_the_heap
题目复现
$ file ghost_in_the_heap
ghost_in_the_heap: ELF 64-bit LSB pie executable x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=e862c2118fbad287f5947b95b6f5a5a532fa4a6f, stripped
$ checksec -f ghost_in_the_heap
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 2 ghost_in_the_heap
$ strings libc.so.6 | grep "GNU C"
GNU C Library (Ubuntu GLIBC 2.24-9ubuntu2.2) stable release version 2.24, by Roland McGrath et al.
Compiled by GNU CC version 6.3.0 20170406.
64 位程序，保护全开。