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nessusThis script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.MICROSOFT_VISUAL_STUDIO_CODE_MS20_NOV.NASL
HistoryNov 11, 2020 - 12:00 a.m.

Security Update for Microsoft Visual Studio Code JSHint Extension (August 2020)

2020-11-1100:00:00
This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
20
microsoft visual studio code
jshint extension
security update
remote code execution
authentication bypass

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.011

Percentile

85.0%

A remote code execution vulnerability exists in Visual Studio Code JSHint Extension. An unauthenticated, local attacker can exploit this to bypass authentication and execute arbitrary commands.

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

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

if (description)
{
  script_id(142713);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-2020-17104");
  script_xref(name:"IAVA", value:"2020-A-0517-S");

  script_name(english:"Security Update for Microsoft Visual Studio Code JSHint Extension (August 2020)");

  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:
"A remote code execution vulnerability exists in Visual Studio Code JSHint Extension. An unauthenticated, local attacker
can exploit this to bypass authentication and execute arbitrary commands.");
  # https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2020-17104
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?01a1248f");
  # https://marketplace.visualstudio.com/items/dbaeumer.jshint/changelog
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?323507fd");
  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-2020-17104");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/11/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/11/11");

  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) 2020-2022 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::jshint', win_local:TRUE);

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

constraints = [
  { 'fixed_version' : '0.11.0' }
];

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

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.011

Percentile

85.0%

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