Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021) - Nessus

High Plugin ID: 147724

This page contains detailed information about the Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021) 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: 147724
Name: Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021)
Filename: microsoft_visual_studio_code_eslint_ms21_march.nasl
Vulnerability Published: 2021-03-09
This Plugin Published: 2021-03-12
Last Modification Time: 2022-04-11
Plugin Version: 1.7
Plugin Type: local
Plugin Family: Windows
Dependencies: microsoft_visual_studio_code_win_extensions_installed.nbin
Required KB Items [?]: installed_sw/Microsoft Visual Studio Code

Vulnerability Information

Severity: High
Vulnerability Published: 2021-03-09
Patch Published: 2021-03-09
CVE [?]: CVE-2021-27081
CPE [?]: cpe:/a:microsoft:visual_studio_code

Synopsis

The remote host has an application installed that is missing a security update.

Description

Microsoft Visual Studio Code ESLint Extension could allow a remote attacker to execute arbitrary code on the system. By persuading a victim to open specially-crafted content, an attacker could exploit this vulnerability to execute arbitrary code on the system with privileges of the victim.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Please see Microsoft security advisory for patch-information

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021) vulnerability:

GitHub: https://github.com/microsoft/vscode-eslint
[CVE-2021-27081]

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-2021-27081
CVSS V2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C

CVSS Base Score:	9.3 (High)
Impact Subscore:	10.0
Exploitability Subscore:	8.6
CVSS Temporal Score:	6.9 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.9 (Medium)

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

CVSS Base Score:	7.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	1.8
CVSS Temporal Score:	6.8 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.8 (Medium)

STIG Severity [?]: I
STIG Risk Rating: 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(147724);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2021-27081");
  script_xref(name:"IAVA", value:"2021-A-0137-S");

  script_name(english:"Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has an application installed that is missing a security update.");
  script_set_attribute(attribute:"description", value:
"Microsoft Visual Studio Code ESLint Extension could allow a remote attacker to execute arbitrary code on the system.
By persuading a victim to open specially-crafted content, an attacker could exploit this vulnerability to execute
arbitrary code on the system with privileges of the victim.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27081
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?007d1799");
  # https://marketplace.visualstudio.com/items?itemName=dbaeumer.vscode-eslint
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1243e16e");
  script_set_attribute(attribute:"solution", value:
"Please see Microsoft security advisory for patch-information");
  script_set_attribute(attribute:"agent", value:"windows");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-27081");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/03/12");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:visual_studio_code");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_visual_studio_code_win_extensions_installed.nbin");
  script_require_keys("installed_sw/Microsoft Visual Studio Code");

  exit(0);
}

include('vcf.inc');

app_info = vcf::get_app_info(app:'vs-code::vscode-eslint', win_local:TRUE);

vcf::check_granularity(app_info:app_info, sig_segments:3);

constraints = [
  { 'fixed_version' : '2.1.16' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/microsoft_visual_studio_code_eslint_ms21_march.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\microsoft_visual_studio_code_eslint_ms21_march.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/microsoft_visual_studio_code_eslint_ms21_march.nasl

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How to Run

Here is how to run the Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021) 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 Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021) plugin ID 147724.
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 microsoft_visual_studio_code_eslint_ms21_march.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a microsoft_visual_studio_code_eslint_ms21_march.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - microsoft_visual_studio_code_eslint_ms21_march.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 microsoft_visual_studio_code_eslint_ms21_march.nasl -t <IP/HOST>

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References

IAVA | Information Assurance Vulnerability Alert:

2021-A-0137-S

See also:

Similar and related Nessus plugins:

138523 - Security Update for Microsoft Visual Studio Code ESLint Extension (July 2020)
146417 - Security Update for Microsoft Visual Studio Code npm-script Extension (Feb 2021)
149384 - Security Update for Microsoft Visual Studio Code Remote Containers Extension (May 2021)
156113 - Security Update for Microsoft Visual Studio Code Remote WSL Extension (December 2021)
108408 - Security Update for .NET Core (March 2018)
126630 - Security Updates for Microsoft SQL Server (Uncredentialed Check) (July 2019)
125164 - Security Update for Microsoft ASP.NET Core (DoS) (May 2019)
125217 - Security Update for .NET Core (May 2019)
125225 - Security Update for .NET Core SDK (May 2019)
131318 - Security Update for Microsoft Visual Studio Code (CVE-2019-1414)
128770 - Security Update for Microsoft ASP.NET Core (Sep 2019)
128771 - Security Update for .NET Core (Sep 2019)
128772 - Security Update for .NET Core SDK (Sep 2019)
133718 - Security Updates for Microsoft SQL Server (Uncredentialed Check) (February 2020)
132993 - Security Update for .NET Core (January 2020)
132994 - Security Update for .NET Core SDK (January 2020)
138465 - Security Update for .NET Core (July 2020)
138466 - Security Update for .NET Core SDK (July 2020)
141931 - Security Update for Microsoft Visual Studio Code (CVE-2020-17023)
152428 - Security Update for Microsoft Azure Active Directory Connect (August 2021)
146332 - Security Update for Forefront Endpoint Protection (February 2021)
146334 - Security Update for Windows Defender (February 2021)
153214 - Security Updates for Microsoft Internet Explorer OOB (Sept 2021) (deprecated)
144886 - Security Update for Forefront Endpoint Protection (January 2021)
144876 - Security Update for Windows Defender (January 2021)
155962 - Security Updates for Exchange (November 2021) (Remote)
157879 - Security Update for .NET Core (February 2022)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file microsoft_visual_studio_code_eslint_ms21_march.nasl version 1.7. For more plugins, visit the Nessus Plugin Library.

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Security Update for Microsoft Visual Studio Code ESLint Extension (March 2021) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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