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nessusThis script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS21_NOV_VISUAL_STUDIO.NASL
HistoryNov 10, 2021 - 12:00 a.m.

Security Updates for Microsoft Visual Studio Products (November 2021)

2021-11-1000:00:00
This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
17

6.9 Medium

AI Score

Confidence

High

The Microsoft Visual Studio Products are missing a security update. They are, therefore, affected by multiple vulnerabilities:

  • A denial of service (DoS) vulnerability exists in the OpenSSL component of Visual Studio. An unauthenticated, remote attacker can exploit this issue to cause the application to stop responding. (CVE-2020-1971)

  • Multiple A privilege escalation vulnerabilities exist in Visual Studio. An unauthenticated, local attacker can exploit thees to gain privileged access to the system. (CVE-2021-42277, CVE-2021-42319)

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

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

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

if (description)
{
  script_id(155018);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/29");

  script_cve_id("CVE-2020-1971", "CVE-2021-42277", "CVE-2021-42319");
  script_xref(name:"IAVA", value:"2021-A-0542-S");
  script_xref(name:"CEA-ID", value:"CEA-2021-0004");
  script_xref(name:"CEA-ID", value:"CEA-2021-0025");

  script_name(english:"Security Updates for Microsoft Visual Studio Products (November 2021)");

  script_set_attribute(attribute:"synopsis", value:
"The Microsoft Visual Studio Products are missing a security update.");
  script_set_attribute(attribute:"description", value:
"The Microsoft Visual Studio Products are missing a security update. They are, therefore, affected by multiple
vulnerabilities:

  - A denial of service (DoS) vulnerability exists in the OpenSSL component of Visual Studio. An 
    unauthenticated, remote attacker can exploit this issue to cause the application to stop responding. 
    (CVE-2020-1971)

  - Multiple A privilege escalation vulnerabilities exist in Visual Studio. An unauthenticated, local 
    attacker can exploit thees to gain privileged access to the system. (CVE-2021-42277, CVE-2021-42319) 

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version 
number.");
  # https://docs.microsoft.com/en-us/visualstudio/releases/2019/release-notes#16.11.5
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7b09b8bb");
  # https://docs.microsoft.com/en-us/visualstudio/releases/2019/release-notes-v16.9#16.9.12
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?be578aea");
  # https://docs.microsoft.com/en-us/visualstudio/releases/2019/release-notes-v16.7#16.7.20
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5e24738f");
  # https://docs.microsoft.com/en-us/visualstudio/releasenotes/vs2017-relnotes#15.9.41
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f1515479");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released the following security updates to address this issue:
  - Update 15.9.41 for Visual Studio 2017
  - Update 16.7.21 for Visual Studio 2019
  - Update 16.9.13 for Visual Studio 2019
  - Update 16.11.6 for Visual Studio 2019");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-42277");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-1971");

  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:"2021/10/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/10/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/11/10");

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

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

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_visual_studio_installed.nbin");
  script_require_keys("installed_sw/Microsoft Visual Studio", "SMB/Registry/Enumerated");
  script_require_ports(139, 445);

  exit(0);
}

include('vcf_extras_visual_studio.inc');

get_kb_item_or_exit('SMB/Registry/Enumerated');
var app_info = vcf::visual_studio::get_app_info();

var constraints = [
  {'product': '2017', 'fixed_version': '15.9.28307.1745'},
  {'product': '2019', 'min_version': '16.0', 'fixed_version': '16.7.31828.227'},
  {'product': '2019', 'min_version': '16.8', 'fixed_version': '16.9.31828.109'},
  {'product': '2019', 'min_version': '16.10', 'fixed_version': '16.11.31829.152'}
];

vcf::visual_studio::check_version_and_report(
  app_info: app_info, 
  constraints: constraints, 
  severity: SECURITY_WARNING
);
VendorProductVersion
microsoftvisual_studio

6.9 Medium

AI Score

Confidence

High

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