Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow - Nessus

Critical Plugin ID: 25216

This page contains detailed information about the Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 25216
Name: Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow
Filename: samba_overflow.nasl
Vulnerability Published: 2007-05-14
This Plugin Published: 2007-05-15
Last Modification Time: 2018-07-27
Plugin Version: 1.20
Plugin Type: local
Plugin Family: Misc.
Dependencies: smb_nativelanman.nasl
Required KB Items [?]: SMB/NativeLanManager

Vulnerability Information

Severity: Critical
Vulnerability Published: 2007-05-14
Patch Published: 2007-07-11
CVE [?]: CVE-2007-2446
CPE [?]: cpe:/a:samba:samba

Synopsis

It is possible to execute code on the remote host through Samba.

Description

The version of the Samba server installed on the remote host is affected by multiple heap overflow vulnerabilities, which can be exploited remotely to execute code with the privileges of the Samba daemon.

Solution

Upgrade to Samba version 3.0.25 or later.

Public Exploits

Target Network Port(s): 139, 445
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub, Immunity Canvas)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow vulnerability:

Metasploit: auxiliary/dos/samba/lsa_transnames_heap
[Samba lsa_io_trans_names Heap Overflow]
Metasploit: exploit/linux/samba/lsa_transnames_heap
[Samba lsa_io_trans_names Heap Overflow]
Metasploit: exploit/osx/samba/lsa_transnames_heap
[Samba lsa_io_trans_names Heap Overflow]
Metasploit: exploit/solaris/samba/lsa_transnames_heap
[Samba lsa_io_trans_names Heap Overflow]
Metasploit: auxiliary/dos/samba/lsa_addprivs_heap
[Samba lsa_io_privilege_set Heap Overflow]
Exploit-DB: exploits/linux/remote/9950.rb
[EDB-9950: Samba 3.0.21 < 3.0.24 - LSA trans names Heap Overflow (Metasploit)]
Exploit-DB: exploits/solaris/remote/16329.rb
[EDB-16329: Samba 3.0.24 (Solaris) - 'lsa_io_trans_names' Heap Overflow (Metasploit)]
Exploit-DB: exploits/linux/remote/16859.rb
[EDB-16859: Samba 3.0.24 (Linux) - 'lsa_io_trans_names' Heap Overflow (Metasploit)]
Exploit-DB: exploits/osx/remote/16875.rb
[EDB-16875: Samba 3.0.10 (OSX) - 'lsa_io_trans_names' Heap Overflow (Metasploit)]
GitHub: https://github.com/DOCTOR-ANR/cybercaptor-server
[CVE-2007-2446]
GitHub: https://github.com/Larryxi/My_tools
[CVE-2007-2446]
GitHub: https://github.com/fiware-cybercaptor/cybercaptor-server
[CVE-2007-2446]
GitHub: https://github.com/mudongliang/LinuxFlaw/tree/master/CVE-2007-2446
[CVE-2007-2446]
Immunity Canvas: CANVAS

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.3 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.3 (High)

CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CVSS Base Score:	9.8 (Critical)
Impact Subscore:	5.9
Exploitability Subscore:	3.9
CVSS Temporal Score:	9.1 (Critical)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	9.1 (Critical)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");

if (description)
{
  script_id(25216);
  script_version("1.20");
 script_cvs_date("Date: 2018/07/27 18:38:14");

  script_cve_id("CVE-2007-2446");
  script_bugtraq_id(23973, 24195, 24196, 24197, 24198);

  script_name(english:"Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow");
  script_summary(english:"Checks version of Samba");

 script_set_attribute(attribute:"synopsis", value:"It is possible to execute code on the remote host through Samba.");
 script_set_attribute(attribute:"description", value:
"The version of the Samba server installed on the remote host is
affected by multiple heap overflow vulnerabilities, which can be
exploited remotely to execute code with the privileges of the Samba
daemon.");
 script_set_attribute(attribute:"see_also", value:"http://www.samba.org/samba/security/CVE-2007-2446.html");
 script_set_attribute(attribute:"solution", value:"Upgrade to Samba version 3.0.25 or later.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
 script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
 script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
 script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"true");
 script_set_attribute(attribute:"metasploit_name", value:'Samba lsa_io_trans_names Heap Overflow');
 script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
 script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
 script_set_attribute(attribute:"canvas_package", value:'CANVAS');

 script_set_attribute(attribute:"vuln_publication_date", value:"2007/05/14");
 script_set_attribute(attribute:"patch_publication_date", value:"2007/07/11");
 script_set_attribute(attribute:"plugin_publication_date", value:"2007/05/15");

script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:samba:samba");
script_end_attributes();


  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2007-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_nativelanman.nasl");
  script_require_keys("SMB/NativeLanManager");
  script_require_ports(139, 445);

  exit(0);
}


include ("smb_func.inc");
include("audit.inc");


function LsaLookupSid2 (handle, sid_array)
{
 local_var ref_id, data, sid, count, names, rep;

 ref_id = 0x20000;

 data = handle[0]  +  # Handle

        # PSID Array
        raw_dword (d:max_index (sid_array))  + # number of sid in PSID Array
        raw_dword (d:ref_id)                 + # Referent ID
        raw_dword (d:max_index (sid_array)) ;  # max_count

 ref_id++;

 # ref_id
 foreach sid (sid_array)
 {
  data += raw_dword (d:ref_id);

  ref_id++;
 }

 foreach sid (sid_array)
 {
  count = ord(sid[1]);

  data += raw_dword (d:count)   +
          sid ;
 }


 data += raw_dword (d:2)         + # count = 2 (1 more to test the flaw)
         raw_dword (d:0x20004)   + # (LSA_TRANSLATED_NAMES)
         raw_dword (d:1)         + # only 1 entry

         # name
         raw_dword (d:1) +
	 raw_word (w:0)  +
         raw_word (w:0)  +
         raw_dword (d:0) +
         raw_dword (d:0) +

         raw_dword (d:1)        + # Level (nothing else seems to work)
         raw_dword (d:0)        ; # Num mapped ?

 data = dce_rpc_pipe_request (fid:handle[1], code:OPNUM_LSALOOKUPSID, data:data);
 if (!data)
   return NULL;

 rep = dce_rpc_parse_response (fid:handle[1], data:data);
 if (!rep || (strlen (rep) < 20))
   return NULL;

 return rep;
}


lanman = get_kb_item("SMB/NativeLanManager");
if ("Samba" >!< lanman)
  audit(AUDIT_HOST_NOT, "running Samba" );


sid = raw_string (0x01,0x02,0x00,0x00,0x00,0x00,0x00,0x05,0x20,0x00,0x00,0x00,0x20,0x02,0x00,0x00);

name	= kb_smb_name();
port	= kb_smb_transport();




if(! smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');
r = NetUseAdd(share:"IPC$");
if ( r != 1 ) audit(AUDIT_SHARE_FAIL, "IPC$");

group = NULL;

lsa = LsaOpenPolicy (desired_access:0x20801);
if (!isnull(lsa))
{
 sids = NULL;
 sids[0] = sid;
 names = LsaLookupSid2 (handle:lsa, sid_array:sids);
 if (!isnull(names))
   security_hole(port);

 LsaClose (handle:lsa);
 NetUseDel();
}
else
{
  NetUseDel();
  audit(AUDIT_HOST_NOT, "affected");
}

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/samba_overflow.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\samba_overflow.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/samba_overflow.nasl

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How to Run

Here is how to run the Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select Misc. plugin family.
On the right side table select Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow plugin ID 25216.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl samba_overflow.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a samba_overflow.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - samba_overflow.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state samba_overflow.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

23973, 24195, 24196, 24197, 24198

See also:

Similar and related Nessus plugins:

25224 - CentOS 3 / 4 / 5 : samba (CESA-2007:0354)
25228 - Debian DSA-1291-1 : samba - several vulnerabilities
25260 - FreeBSD : samba -- multiple vulnerabilities (3546a833-03ea-11dc-a51d-0019b95d4f14)
25236 - GLSA-200705-15 : Samba: Multiple vulnerabilities
25830 - Mac OS X Multiple Vulnerabilities (Security Update 2007-007)
25237 - Mandrake Linux Security Advisory : samba (MDKSA-2007:104-1)
67499 - Oracle Linux 3 / 4 / 5 : samba (ELSA-2007-0354)
25239 - RHEL 2.1 / 3 / 4 / 5 : samba (RHSA-2007:0354)
25217 - Samba < 3.0.25 Multiple Vulnerabilities
60180 - Scientific Linux Security Update : samba on SL5.x, SL4.x, SL3.x i386/x86_64
25222 - Slackware 10.0 / 10.1 / 10.2 / 11.0 / current : samba (SSA:2007-134-01)
27429 - openSUSE 10 Security Update : samba (samba-3349)
27430 - openSUSE 10 Security Update : samba (samba-3350)
29576 - SuSE 10 Security Update : Samba (ZYPP Patch Number 3351)
28059 - Ubuntu 6.06 LTS / 6.10 / 7.04 : samba vulnerabilities (USN-460-1)
40370 - VMSA-2007-0006 : Critical security updates for all supported versions of VMware ESX Server, VMware Server, VMware Workstation, VMware ACE, and VMware Player
29965 - Xerox WorkCentre Multiple Samba Vulnerabilities (XRX08-001)
73498 - A10 Networks Remote Buffer Overflow
83763 - Citrix XenServer QEMU FDC Buffer Overflow RCE (CTX201078) (VENOM)
76348 - HylaFAX+ 5.2.4 < 5.5.4 Remote Buffer Overflow
151882 - Libgcrypt < 1.9.1 Heap Buffer Overflow Vulnerability
70103 - IBM Lotus Sametime Multiplexer Buffer Overflow
69319 - Mac OS X Directory Service Buffer Overflow
108521 - MikroTik RouterOS < 6.40.7 or 6.41.x < 6.41.3 SMB Buffer Overflow
29253 - Samba < 3.0.28 send_mailslot Function Remote Buffer Overflow
17720 - Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 Buffer Overflow
58662 - Samba 3.x < 3.6.4 / 3.5.14 / 3.4.16 RPC Multiple Buffer Overflows
142712 - Oracle Solaris PAM parse_user_name() buffer overflow (CVE-2020-14871)
25929 - SurgeMail IMAP Server SEARCH Command Remote Buffer Overflow
146102 - VLC < 3.0.12 Buffer Overflow
105614 - ESXi 6.5 < Build 6765664 Heap Buffer Overflow (VMSA-2017-0021) (remote check)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file samba_overflow.nasl version 1.20. For more plugins, visit the Nessus Plugin Library.

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Samba NDR MS-RPC Request Heap-Based Remote Buffer Overflow - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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