Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 Buffer Overflow - Nessus

Critical Plugin ID: 17720

This page contains detailed information about the Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 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: 17720
Name: Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 Buffer Overflow
Filename: samba_3_0_5.nasl
Vulnerability Published: 2004-04-28
This Plugin Published: 2011-11-18
Last Modification Time: 2022-04-11
Plugin Version: 1.10
Plugin Type: remote
Plugin Family: Misc.
Dependencies: smb_nativelanman.nasl, swat_detect.nasl
Required KB Items [?]: Settings/ParanoidReport, SMB/NativeLanManager, SMB/samba

Vulnerability Information

Severity: Critical
Vulnerability Published: 2004-04-28
Patch Published: 2004-07-20
CVE [?]: CVE-2004-0600
CPE [?]: cpe:/a:samba:samba

Synopsis

The remote Samba server is affected by a buffer overflow vulnerability.

Description

According to its banner, the version of Samba running on the remote host is between 3.0.2 and 3.0.4, inclusive. An error exists in the base64 decoding functions, which can result in a buffer overflow.

Solution

Upgrade to version 3.0.5 or later.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Exploit-DB)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 Buffer Overflow vulnerability:

Exploit-DB: exploits/linux/remote/364.pl
[EDB-364: Samba 3.0.4 - SWAT Authorisation Buffer Overflow]

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:POC/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	7.8 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.8 (High)

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Plugin Source

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(17720);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2004-0600");
  script_bugtraq_id(10780);
  script_xref(name:"EDB-ID", value:"364");

  script_name(english:"Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 Buffer Overflow");

  script_set_attribute(attribute:"synopsis", value:
"The remote Samba server is affected by a buffer overflow
vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its banner, the version of Samba running on the remote
host is between 3.0.2 and 3.0.4, inclusive.  An error exists in the
base64 decoding functions, which can result in a buffer overflow.");
  script_set_attribute(attribute:"see_also", value:"http://www.samba.org/samba/history/samba-3.0.5.html");
  script_set_attribute(attribute:"see_also", value:"https://www.samba.org/samba/security/CVE-2004-0600.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to version 3.0.5 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:POC/RL:OF/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2004/04/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2004/07/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/11/18");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:samba:samba");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2011-2022 Tenable Network Security, Inc.");

  script_dependencies("smb_nativelanman.nasl", "swat_detect.nasl");
  script_require_keys("SMB/NativeLanManager", "SMB/samba", "Settings/ParanoidReport");

  exit(0);
}

include("global_settings.inc");
include("misc_func.inc");

if (report_paranoia < 2)
  exit(1, "This plugin only runs if 'Report Paranoia' is set to 'Paranoid'.");

if (!get_kb_item("Settings/PCI_DSS"))
{
  ports = get_kb_list("SWAT/*");
  if (isnull(ports) || max_index(ports) == 0)
    exit(0, "SWAT does not appear to be listening on the remote host.");
}

port = get_kb_item_or_exit("SMB/transport");
lanman = get_kb_item_or_exit("SMB/NativeLanManager");

# Ensure the remote server is running Samba 3.0.x.
if ("Samba " >!< lanman)
  exit(0, "The SMB service listening on port "+port+" is not running Samba.");

# Split and convert third version number to integer.
version = lanman - "Samba ";
ver = split(version, sep:".", keep:FALSE);
ver[2] = int(ver[2]);

if (ver[0] == 3 && ver[1] == 0 && (ver[2] >= 2 && ver[2] <= 4))
{
  if (report_verbosity > 0)
  {
    report =
      '\n  Installed version : ' + version +
      '\n  Fixed version     : 3.0.5' +
      '\n';
    security_hole(port:port, extra:report);
  }
  else security_hole(port);
}
else exit(0, "The Samba "+version+" install listening on port "+port+" is 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_3_0_5.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\samba_3_0_5.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/samba_3_0_5.nasl

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How to Run

Here is how to run the Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 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 SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 Buffer Overflow plugin ID 17720.
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_3_0_5.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a samba_3_0_5.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - samba_3_0_5.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_3_0_5.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

10780

See also:

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155620 - Samba 4.13.x < 4.13.14 / 4.14.x < 4.14.10 / 4.15.x < 4.15.2 Multiple Vulnerabilities
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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file samba_3_0_5.nasl version 1.10. For more plugins, visit the Nessus Plugin Library.

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Samba SWAT 3.0.2 - 3.0.4 HTTP Basic Auth base64 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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