david942j/one_gadget

require 'one_gadget/gadget'
# https://gitlab.com/david942j/libcdb/blob/master/libc/libc6_2.27-3ubuntu1_amd64/lib/x86_64-linux-gnu/libc-2.27.so
# 
# Advanced Micro Devices X86-64
# 
# GNU C Library (Ubuntu GLIBC 2.27-3ubuntu1) stable release version 2.27.
# Copyright (C) 2018 Free Software Foundation, Inc.
# This is free software; see the source for copying conditions.
# There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
# Compiled by GNU CC version 7.3.0.
# libc ABIs: UNIQUE IFUNC
# For bug reporting instructions, please see:
# <https://bugs.launchpad.net/ubuntu/+source/glibc/+bugs>.

build_id = File.basename(__FILE__, '.rb').split('-').last
OneGadget::Gadget.add(build_id, 324279,
                      constraints: ["rsp & 0xf == 0", "writable: rsp+0x50", "{\"sh\", \"-c\", r12, NULL} is a valid argv"],
                      effect: "execve(\"/bin/sh\", rsp+0x40, environ)")
OneGadget::Gadget.add(build_id, 324286,
                      constraints: ["rsp & 0xf == 0", "writable: rsp+0x50", "rcx == NULL || {rcx, \"-c\", r12, NULL} is a valid argv"],
                      effect: "execve(\"/bin/sh\", rsp+0x40, environ)")
OneGadget::Gadget.add(build_id, 324293,
                      constraints: ["rsp & 0xf == 0", "writable: rsp+0x50", "rcx == NULL || {rcx, rax, r12, NULL} is a valid argv"],
                      effect: "execve(\"/bin/sh\", rsp+0x40, environ)")
OneGadget::Gadget.add(build_id, 324386,
                      constraints: ["[rsp+0x40] == NULL || {[rsp+0x40], [rsp+0x48], [rsp+0x50], [rsp+0x58], ...} is a valid argv"],
                      effect: "execve(\"/bin/sh\", rsp+0x40, environ)")
OneGadget::Gadget.add(build_id, 939679,
                      constraints: ["[r14] == NULL || r14 == NULL || r14 is a valid argv", "[r12] == NULL || r12 == NULL || r12 is a valid envp"],
                      effect: "execve(\"/bin/sh\", r14, r12)")
OneGadget::Gadget.add(build_id, 940120,
                      constraints: ["[[rbp-0x88]] == NULL || [rbp-0x88] == NULL || [rbp-0x88] is a valid argv", "[[rbp-0x70]] == NULL || [rbp-0x70] == NULL || [rbp-0x70] is a valid envp"],
                      effect: "execve(\"/bin/sh\", [rbp-0x88], [rbp-0x70])")
OneGadget::Gadget.add(build_id, 940127,
                      constraints: ["[r10] == NULL || r10 == NULL || r10 is a valid argv", "[[rbp-0x70]] == NULL || [rbp-0x70] == NULL || [rbp-0x70] is a valid envp"],
                      effect: "execve(\"/bin/sh\", r10, [rbp-0x70])")
OneGadget::Gadget.add(build_id, 940131,
                      constraints: ["[r10] == NULL || r10 == NULL || r10 is a valid argv", "[rdx] == NULL || rdx == NULL || rdx is a valid envp"],
                      effect: "execve(\"/bin/sh\", r10, rdx)")
OneGadget::Gadget.add(build_id, 1090444,
                      constraints: ["[rsp+0x70] == NULL || {[rsp+0x70], [rsp+0x78], [rsp+0x80], [rsp+0x88], ...} is a valid argv"],
                      effect: "execve(\"/bin/sh\", rsp+0x70, environ)")
OneGadget::Gadget.add(build_id, 1090456,
                      constraints: ["[rsi] == NULL || rsi == NULL || rsi is a valid argv", "[[rax]] == NULL || [rax] == NULL || [rax] is a valid envp"],
                      effect: "execve(\"/bin/sh\", rsi, [rax])")