BadBlue ISAPI Extension .hts Crafted File Extension Request Authentication Bypass - Nessus

High   Plugin ID: 11554

This page contains detailed information about the BadBlue ISAPI Extension .hts Crafted File Extension Request Authentication Bypass Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

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Plugin Overview

ID: 11554
Name: BadBlue ISAPI Extension .hts Crafted File Extension Request Authentication Bypass
Filename: badblue_remote_administrative_access.nasl
Vulnerability Published: 2003-05-20
This Plugin Published: 2003-04-27
Last Modification Time: 2018-11-15
Plugin Version: 1.17
Plugin Type: remote
Plugin Family: Web Servers
Dependencies: find_service1.nasl, http_version.nasl

Vulnerability Information

Severity: High
Vulnerability Published: 2003-05-20
Patch Published: N/A
CVE [?]: CVE-2003-0332
CPE [?]: N/A

Synopsis

The remote web server is affected by an authentication bypass vulnerability.

Description

The remote host is running the BadBlue web server earlier than 2.2. Such versions are reportedly affected by an authentication bypass vulnerability. It is possible for an attacker to gain administrative access using a filename with a .ats extension instead of a .hts extension.

Solution

Upgrade to BadBlue v 2.2 or newer as this reportedly fixes the issue.

Public Exploits

Target Network Port(s): 80
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the BadBlue ISAPI Extension .hts Crafted File Extension Request Authentication Bypass vulnerability:

  1. Metasploit: exploit/windows/http/badblue_ext_overflow
    [BadBlue 2.5 EXT.dll 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.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:H/Au:N/C:C/I:C/A:C/E:POC/RL:OF/RC:C
CVSS Base Score:7.6 (High)
Impact Subscore:10.0
Exploitability Subscore:4.9
CVSS Temporal Score:6.0 (Medium)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:6.0 (Medium)

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Plugin Source

This is the badblue_remote_administrative_access.nasl nessus plugin source code. This script is Copyright (C) 2003-2018 Tenable Network Security, Inc. 

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

# Ref:
#  From: "Matthew Murphy" <[email protected]>
#  To: "BugTraq" <[email protected]>
#  Subject: BadBlue Remote Administrative Access Vulnerability
#  Date: Sun, 20 Apr 2003 16:28:18 -0500


include("compat.inc");

if(description)
{
 script_id(11554);
 script_version ("1.17");
 script_cve_id("CVE-2003-0332");
 script_bugtraq_id(7387);

 script_name(english:"BadBlue ISAPI Extension .hts Crafted File Extension Request Authentication Bypass");
 script_summary(english:"Get the version of the remote BadBlue server");

 script_set_attribute(attribute:"synopsis", value:
"The remote web server is affected by an authentication bypass
vulnerability." );
 script_set_attribute(attribute:"description", value:
"The remote host is running the BadBlue web server earlier than 2.2.
Such versions are reportedly affected by an authentication bypass
vulnerability. It is possible for an attacker to gain administrative
access using a filename with a .ats extension instead of a .hts
extension." );
 script_set_attribute(attribute:"see_also", value:"https://seclists.org/vulnwatch/2003/q2/77" );
 script_set_attribute(attribute:"solution", value:
"Upgrade to BadBlue v 2.2 or newer as this reportedly fixes the issue." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:H/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:"metasploit_name", value:'BadBlue 2.5 EXT.dll Buffer Overflow');
 script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

 script_set_attribute(attribute:"plugin_publication_date", value: "2003/04/27");
 script_set_attribute(attribute:"vuln_publication_date", value: "2003/05/20");
 script_cvs_date("Date: 2018/11/15 20:50:25");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_end_attributes();

 script_category(ACT_ATTACK);
 script_copyright(english:"This script is Copyright (C) 2003-2018 Tenable Network Security, Inc.");
 script_family(english:"Web Servers");
 script_require_ports("Services/www", 80);
 script_dependencies("find_service1.nasl", "http_version.nasl");
 exit(0);
}

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

port = get_http_port(default:80);

banner = get_http_banner(port:port);
if(!banner)exit(0);

# Technically speaking, version 2.16 is not vulnerable. However since we could
# not test it, we advise everyone to update to 2.2
vulnerable = egrep(pattern:"^Server: BadBlue/(1\.|2\.[0-1])", string:banner);
if(vulnerable)security_hole(port);

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

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

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How to Run

Here is how to run the BadBlue ISAPI Extension .hts Crafted File Extension Request Authentication Bypass as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select Web Servers plugin family.
  6. On the right side table select BadBlue ISAPI Extension .hts Crafted File Extension Request Authentication Bypass plugin ID 11554.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. 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 badblue_remote_administrative_access.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID: See also: Similar and related Nessus plugins:
  • 17241 - BadBlue ext.dll mfcisapicommand Parameter Remote Overflow

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file badblue_remote_administrative_access.nasl version 1.17. For more plugins, visit the Nessus Plugin Library.

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