Security Update for Microsoft .NET Core SDK (January 2024)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(187900);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/04/08");

  script_cve_id("CVE-2024-0057", "CVE-2024-20672");
  script_xref(name:"MSKB", value:"5033733");
  script_xref(name:"MSKB", value:"5033734");
  script_xref(name:"IAVA", value:"2024-A-0017-S");

  script_name(english:"Security Update for Microsoft .NET Core SDK (January 2024)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by multiple Microsoft .NET Core SDK vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of .NET Core SDK installed on the remote host is 6.x prior to 6.0.26 or 7.x prior to 7.0.15. It is, 
therefore, affected by multiple vulnerabilities as referenced in the January 2024 advisory:

  - .NET Core Denial of Service Vulnerability (CVE-2024-20672)

  - .Net Core Security Feature Bypass Vulnerability (CVE-2024-0057) 

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://dotnet.microsoft.com/download/dotnet/6.0");
  script_set_attribute(attribute:"see_also", value:"https://dotnet.microsoft.com/en-us/download/dotnet/7.0");
  script_set_attribute(attribute:"see_also", value:"https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-20672");
  # https://support.microsoft.com/en-gb/topic/-net-6-0-update-january-09-2024-kb5033733-56af5715-0061-4a82-8706-587c7fc236b5
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9665e1f0");
  # https://support.microsoft.com/en-gb/topic/-net-7-0-update-january-09-2024-kb5033734-81462b7d-b267-4375-a059-05ac8abc440d
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?03898bde");
  # https://github.com/dotnet/core/blob/main/release-notes/6.0/6.0.26/6.0.26.md
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?eb9bc23b");
  # https://github.com/dotnet/core/blob/main/release-notes/7.0/7.0.15/7.0.15.md
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e01c8839");
  script_set_attribute(attribute:"solution", value:
"Update .NET Core, remove vulnerable packages and refer to vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/AC:L/PR:N/UI:N/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-2024-0057");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/01/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/01/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/01/10");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:.net_core");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_dotnet_core_sdk_win.nbin");
  script_require_keys("installed_sw/.NET Core SDK Windows", "Settings/ParanoidReport");

  exit(0);
}

include('vcf.inc');

if (report_paranoia < 2) audit(AUDIT_PARANOID);

var app = '.NET Core SDK Windows';

var app_info = vcf::get_app_info(app:app, win_local:TRUE);

var constraints = [
  {'min_version': '6.0', 'fixed_version': '6.0.126'},
  {'min_version': '6.0.200', 'fixed_version': '6.0.321'},
  {'min_version': '6.0.400', 'fixed_version': '6.0.418'},
  {'min_version': '7.0', 'fixed_version': '7.0.115'},
  {'min_version': '7.0.200', 'fixed_version': '7.0.312'},
  {'min_version': '7.0.400', 'fixed_version': '7.0.405'}
];

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