SolarWinds TFTP Server < 10.4.0.13 DoS - Nessus

Medium Plugin ID: 47137

This page contains detailed information about the SolarWinds TFTP Server < 10.4.0.13 DoS 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: 47137
Name: SolarWinds TFTP Server < 10.4.0.13 DoS
Filename: solarwinds_tftp_server_10_4_0_13.nasl
Vulnerability Published: 2010-05-21
This Plugin Published: 2010-06-25
Last Modification Time: 2018-07-30
Plugin Version: 1.9
Plugin Type: local
Plugin Family: Windows
Dependencies: solarwinds_tftp_installed.nasl, tftpd_detect.nasl
Required KB Items [?]: SMB/Solarwinds/tftp_server/Installed

Vulnerability Information

Severity: Medium
Vulnerability Published: 2010-05-21
Patch Published: 2010-05-23
CVE [?]: CVE-2010-2115
CPE [?]: cpe:/a:solarwinds:tftp_server

Synopsis

The remote Windows host contains an application that is affected by a denial of service vulnerability.

Description

At least one instance of SolarWinds TFTP Server earlier than version 10.4.0.13 is installed on the remote host. Such versions are reportedly affected by a denial of service vulnerability.

By sending a specially crafted 'Read Request' it may be possible for an attacker to make the server stop accepting additional connections.

Solution

Upgrade to version 10.4.0.13, which reportedly fixes this issue.

Public Exploits

Target Network Port(s): 139, 445
Target Asset(s): N/A
Exploit Available: True (Exploit-DB, Core Impact)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the SolarWinds TFTP Server < 10.4.0.13 DoS vulnerability:

Exploit-DB: exploits/windows/dos/12683.pl
[EDB-12683: SolarWinds TFTP Server 10.4.0.10 - Denial of Service]

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:N/I:N/A:P/E:F/RL:OF/RC:C

CVSS Base Score:	5.0 (Medium)
Impact Subscore:	2.9
Exploitability Subscore:	10.0
CVSS Temporal Score:	4.1 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	4.1 (Medium)

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Plugin Source

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

include("compat.inc");

if (description)
{
  script_id(47137);
  script_version("1.9");
  script_cvs_date("Date: 2018/07/30 15:31:32");

  script_cve_id("CVE-2010-2115");
  script_bugtraq_id(40333);
  script_xref(name:"EDB-ID",  value:"12683");
  script_xref(name:"Secunia", value:"39896");

  script_name(english:"SolarWinds TFTP Server < 10.4.0.13 DoS");
  script_summary(english:"Checks version of SolarWinds TFTP Server");
 
  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host contains an application that is affected by a
denial of service vulnerability.");
  script_set_attribute(attribute:"description", value:
"At least one instance of SolarWinds TFTP Server earlier than version
10.4.0.13 is installed on the remote host.  Such versions are
reportedly affected by a denial of service vulnerability. 

By sending a specially crafted 'Read Request' it may be possible for
an attacker to make the server stop accepting additional
connections.");
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0447d82b");
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?31437e59");
  script_set_attribute(attribute:"solution", value:
"Upgrade to version 10.4.0.13, which reportedly fixes this issue.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"vuln_publication_date", value:"2010/05/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2010/05/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/06/25");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:solarwinds:tftp_server");
  script_end_attributes();
 
  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2010-2018 Tenable Network Security, Inc.");

  script_dependencies("solarwinds_tftp_installed.nasl", "tftpd_detect.nasl");
  script_require_keys("SMB/Solarwinds/tftp_server/Installed");
  script_require_ports(139, 445);

  exit(0);
}

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

if (report_paranoia < 2)
  tftp_port = get_service(svc:"tftp", ipproto:"udp", exit_on_fail:TRUE);

installs = get_kb_list("SMB/Solarwinds/tftp_server/*");
if (isnull(installs)) exit(0,"The 'SMB/Solarwinds/tftp_server/*' KB items are missing.");

fixed_version = "10.4.0.13";
info = info2 = '';
port = get_kb_item("SMB/transport");

foreach install (keys(installs))
{
  if ("/Installed" >< install) continue;

  version = install - "SMB/Solarwinds/tftp_server/";

  if (fixed_version != version)
  {
    fix = split(fixed_version, sep:'.', keep:FALSE);
    for (i=0; i<max_index(fix); i++)
    fix[i] = int(fix[i]);

    ver = split(version, sep:".",keep:FALSE);
    for (i=0; i<max_index(ver); i++)
    ver[i] = int(ver[i]);
 
    for (i=0; i<max_index(ver); i++)
    if (ver[i] < fix[i])
    {
      info +=
      '\n  Path              : ' + installs[install] + 
      '\n  Installed version : ' + version + '\n';
       break;
    }
    else if (ver[i] > fix[i])
    {
      info2 += "SolarWinds TFTP Server version " + version + ", under " + installs[install] + ". ";
      break;
    }
  }
  else
   info2 += "SolarWinds TFTP Server version " + version + ", under " + installs[install] + '. ';
}

if (info)
{
  if (report_verbosity > 0)
  {
    if (max_index(split(info)) > 3)
    {
      report = '\n' +
        'The following vulnerable instances of SolarWinds TFTP Server are installed :' + '\n' +
        info +
        '\n  Fixed version     : ' + fixed_version + '\n';
    }
    else
    {
      report = '\n' +
        'The following vulnerable instance of SolarWinds TFTP Server is installed :' + '\n' +
        info +
        '  Fixed version     : ' + fixed_version + '\n';
    }
    security_warning(port:port, extra:report);
  }
  else security_warning(port);

  exit(0);
}
if (info2)
  exit(0, "The following instance(s) of SolarWinds TFTP Server are installed and are not vulnerable : "+ info2);

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/solarwinds_tftp_server_10_4_0_13.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\solarwinds_tftp_server_10_4_0_13.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/solarwinds_tftp_server_10_4_0_13.nasl

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How to Run

Here is how to run the SolarWinds TFTP Server < 10.4.0.13 DoS 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 Windows plugin family.
On the right side table select SolarWinds TFTP Server < 10.4.0.13 DoS plugin ID 47137.
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 solarwinds_tftp_server_10_4_0_13.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a solarwinds_tftp_server_10_4_0_13.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - solarwinds_tftp_server_10_4_0_13.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 solarwinds_tftp_server_10_4_0_13.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

40333

Secunia Advisory:

39896

See also:

Similar and related Nessus plugins:

124062 - SolarWinds DameWare Mini Remote Client Agent < 12.0.3 Stack Buffer Overflow
130458 - SolarWinds Dameware Mini Remote Control Unauthenticated RCE
86995 - SolarWinds DameWare Mini Remote Control < 12.0 Hotfix 2 SSLv3 Padding Oracle On Downgraded Legacy Encryption (POODLE)
91123 - SolarWinds Storage Resource Monitor Profiler < 6.2.3 Multiple Vulnerabilities (Logjam) (POODLE)
86421 - SolarWinds Storage Resource Monitor < 6.2 ProcessFileUpload.jsp File Upload RCE
47138 - SolarWinds TFTP Server < 10.4.0.14 DoS
146309 - SolarWinds Orion Platform < 2019.4.2 Remote Code Execution
146310 - SolarWinds Orion Platform < 2020.2.4 Multiple Vulnerabilities
144449 - SolarWinds Orion Platform < 2020.2.1 HF2 Multiple Vulnerabilities
83817 - SolarWinds Orion Multiple SQLi Vulnerabilities
62118 - SolarWinds Orion NPM < 10.3.1 Multiple Vulnerabilities
155442 - SolarWinds Orion Platform 2020.2.0 < 2020.2.6 Multiple Vulnerabilities
144622 - SolarWinds Orion Platform < 2019.4 HF6 / 2020.2 < 2020.2.1 HF2 Authentication Bypass (SUPERNOVA)
87600 - SolarWinds Storage Manager AuthenticationFilter Script Upload RCE
59116 - SolarWinds Storage Manager Server LoginServlet loginName Parameter SQL Injection
154954 - SolarWinds Virtualization Manager <= 6.3.1 Privilege Escalation
92040 - SolarWinds Virtualization Manager Java Object Deserialization RCE

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file solarwinds_tftp_server_10_4_0_13.nasl version 1.9. For more plugins, visit the Nessus Plugin Library.

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SolarWinds TFTP Server < 10.4.0.13 DoS - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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