Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11) - Nessus

Critical Plugin ID: 127109

This page contains detailed information about the Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11) 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: 127109
Name: Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11)
Filename: xerox_xrx19_016.nasl
Vulnerability Published: 2019-07-29
This Plugin Published: 2019-07-29
Last Modification Time: 2022-01-26
Plugin Version: 1.5
Plugin Type: remote
Plugin Family: Misc.
Dependencies: xerox_workcentre_detect.nasl
Required KB Items [?]: www/xerox_workcentre, www/xerox_workcentre/model, www/xerox_workcentre/ssw

Vulnerability Information

Severity: Critical
Vulnerability Published: 2019-07-29
Patch Published: 2019-07-29
CVE [?]: CVE-2019-12255, CVE-2019-12256, CVE-2019-12257, CVE-2019-12258, CVE-2019-12259, CVE-2019-12260, CVE-2019-12261, CVE-2019-12262, CVE-2019-12263, CVE-2019-12264, CVE-2019-12265
CPE [?]: cpe:/h:xerox:workcentre

Synopsis

The remote host is affected by multiple vulnerabilities.

Description

According to its self-reported version, the remote Xerox WorkCentre is affected by multiple remote code execution and denial-of-service vulnerabilities in the IPnet TCP/IP stack. An unauthenticated, remote, attacker could leverage these vulnerabilities to gain full access to the affected device or to cause the device to become unresponsive.

Solution

Apply the appropriate update as described in the Xerox security bulletin in the referenced URL.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11) vulnerability:

Exploit-DB: exploits/vxworks/dos/47233.py
[EDB-47233: VxWorks 6.8 - TCP Urgent Pointer = 0 Integer Underflow]
GitHub: https://github.com/ArmisSecurity/urgent11-detector
[CVE-2019-12258]
GitHub: https://github.com/sud0woodo/Urgent11-Suricata-LUA-scripts
[CVE-2019-12255: Suricata LUA scripts to detect CVE-2019-12255, CVE-2019-12256, CVE-2019-12258, and ...]
GitHub: https://github.com/sud0woodo/Urgent11-Suricata-LUA-scripts
[CVE-2019-12256: Suricata LUA scripts to detect CVE-2019-12255, CVE-2019-12256, CVE-2019-12258, and ...]
GitHub: https://github.com/sud0woodo/Urgent11-Suricata-LUA-scripts
[CVE-2019-12258: Suricata LUA scripts to detect CVE-2019-12255, CVE-2019-12256, CVE-2019-12258, and ...]
GitHub: https://github.com/sud0woodo/Urgent11-Suricata-LUA-scripts
[CVE-2019-12260: Suricata LUA scripts to detect CVE-2019-12255, CVE-2019-12256, CVE-2019-12258, and ...]

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 Score Source [?]: CVE-2019-12262
CVSS V2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS Base Score:	7.5 (High)
Impact Subscore:	6.4
Exploitability Subscore:	10.0
CVSS Temporal Score:	5.9 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.9 (Medium)

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

CVSS Base Score:	9.8 (Critical)
Impact Subscore:	5.9
Exploitability Subscore:	3.9
CVSS Temporal Score:	8.8 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.8 (High)

STIG Severity [?]: I
STIG Risk Rating: High

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Plugin Source

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

include("compat.inc");

if (description)
{
  script_id(127109);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/26");

  script_cve_id(
    "CVE-2019-12255",
    "CVE-2019-12256",
    "CVE-2019-12257",
    "CVE-2019-12258",
    "CVE-2019-12259",
    "CVE-2019-12260",
    "CVE-2019-12261",
    "CVE-2019-12262",
    "CVE-2019-12263",
    "CVE-2019-12264",
    "CVE-2019-12265"
  );
  script_xref(name:"IAVA", value:"2019-A-0274-S");

  script_name(english:"Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11)");
  script_summary(english:"Checks system software version of Xerox WorkCentre devices.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, the remote Xerox WorkCentre
is  affected by multiple remote code execution and denial-of-service
vulnerabilities in the IPnet TCP/IP stack. An unauthenticated, remote,
attacker could leverage these vulnerabilities to gain full access to
the affected device or to cause the device to become unresponsive.");
  # https://securitydocs.business.xerox.com/wp-content/uploads/2019/07/cert_XRX19-016.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?94116ec1");
  script_set_attribute(attribute:"see_also", value:"https://armis.com/urgent11/");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate update as described in the Xerox
security bulletin in the referenced URL.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-12262");

  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:"2019/07/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/29");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:xerox:workcentre");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("xerox_workcentre_detect.nasl");
  script_require_keys("www/xerox_workcentre", "www/xerox_workcentre/model", "www/xerox_workcentre/ssw");

  exit(0);
}

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

# Get model and system software version
model = get_kb_item_or_exit("www/xerox_workcentre/model");
ver = get_kb_item_or_exit("www/xerox_workcentre/ssw");
ctrl = get_kb_item_or_exit("www/xerox_workcentre/ess");
vuln = FALSE;

ctrl_append = "367972v2";

if (model =~ "^58(45|55|65|75|90)$")
{
  less_or_equal = "072.190.165.14201";
  great_or_equal = "073.190.035.24100";
  fix = "072.190.196.34301";
}
else if (model =~ "^78(45|55)$")
{
  less_or_equal = "072.040.165.14201";
  great_or_equal = "073.040.035.24100";
  fix = "072.040.196.34301";
}
else
  audit(AUDIT_HOST_NOT, "an affected Xerox WorkCentre model");

if (
      ver_compare(ver:ver, fix:less_or_equal, strict:FALSE) <= 0 ||
      ver_compare(ver:ver, fix:great_or_equal, strict:FALSE) >= 0
    )
  vuln = TRUE;
else if (ctrl_append >!< ctrl)
{
  if(report_paranoia < 2)
    audit(AUDIT_POTENTIAL_VULN, "Xerox WorkCentre " + model + " System SW", ver);
  else vuln = TRUE;
}

if(!vuln) audit(AUDIT_INST_VER_NOT_VULN, "Xerox WorkCentre " + model + " System SW", ver);

report =
  '\n  Model                             : Xerox WorkCentre ' + model +
  '\n  Installed system software version : ' + ver +
  '\n  Fixed system software version     : ' + fix + ' and the 367972v2.dlm patch.\n';
security_report_v4(severity:SECURITY_HOLE, port:0, extra:report);

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/xerox_xrx19_016.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\xerox_xrx19_016.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/xerox_xrx19_016.nasl

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How to Run

Here is how to run the Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11) 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 Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11) plugin ID 127109.
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 xerox_xrx19_016.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a xerox_xrx19_016.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - xerox_xrx19_016.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 xerox_xrx19_016.nasl -t <IP/HOST>

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References

IAVA | Information Assurance Vulnerability Alert:

2019-A-0274-S

See also:

Similar and related Nessus plugins:

127107 - SonicWall SonicOS Firewall Multiple Management Vulnerabilities (URGENT/11)
500065 - Siemens (CVE-2019-12255)
500279 - Siemens (CVE-2019-12256)
500067 - Siemens (CVE-2019-12258)
500292 - Siemens (CVE-2019-12260)
127108 - Wind River VxWorks Multiple Vulnerabilities (URGENT/11)
18642 - Xerox WorkCentre Multiple Vulnerabilities (XRX05-006)
25637 - Xerox WorkCentre Multiple OpenSSL Vulnerabilities (XRX07-001)
29965 - Xerox WorkCentre Multiple Samba Vulnerabilities (XRX08-001)
87322 - Xerox ColorQube 92XX Multiple OpenSSL Vulnerabilities (XRX15AD) (FREAK) (GHOST) (POODLE)
87323 - Xerox WorkCentre 3550 OpenSSL Multiple Vulnerabilities (XRX15AJ) (FREAK) (POODLE)
87324 - Xerox WorkCentre 3025 / 3215 / 3225 OpenSSL Multiple Vulnerabilities (XRX15AM) (FREAK) (POODLE)
86710 - Xerox ColorQube 8570 / 8870 Multiple Vulnerabilities (XRX15OA)
87325 - Xerox WorkCentre 6400 OpenSSL RSA Temporary Key Handling EXPORT_RSA Ciphers Downgrade MitM (XRX15AP) (FREAK)
87326 - Xerox WorkCentre 4260 / 4265 Multiple Vulnerabilities (XRX15AV) (FREAK) (Logjam)
87327 - Xerox WorkCentre 77XX Multiple Vulnerabilities (XRX15R) (FREAK) (GHOST)
152164 - HP, Samsung, and Xerox Printer Driver Privilege Escalation (CVE-2021-3438)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file xerox_xrx19_016.nasl version 1.5. For more plugins, visit the Nessus Plugin Library.

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Xerox WorkCentre Multiple Vulnerabilities (XRX19-016) (URGENT/11) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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