Microsoft Azure Monitor Agent < 1.35.1 Remote Code Execution (CVE-2025-47988)

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

include('compat.inc');

if (description)
{
  script_id(241557);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/07/11");

  script_cve_id("CVE-2025-47988");
  script_xref(name:"IAVA", value:"2025-A-0485");

  script_name(english:"Microsoft Azure Monitor Agent < 1.35.1 Remote Code Execution (CVE-2025-47988)");

  script_set_attribute(attribute:"synopsis", value:
"A data collection agent on the remote Windows host is affected by a remote code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Microsoft Azure Monitor Agent installed on the remote host is prior to 1.35.1. It is, therefore,
affected by a remote code execution vulnerability:

  - Improper control of generation of code ('code injection') in Azure Monitor Agent allows an unauthorized attacker to
    execute code over an adjacent network. (CVE-2025-47988)
  
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47988
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?937434f6");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Microsoft Azure Monitor Agent version 1.35.1 or later.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:H/Au:N/C:C/I:C/A:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-47988");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/07/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/07/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:azure_monitor_agent");
  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) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("microsoft_azure_monitor_agent_win_installed.nbin");
  script_require_keys("installed_sw/Microsoft Azure Monitor Agent", "SMB/Registry/Enumerated");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match': {'os': 'windows'}}
  ],
  'checks': [
    {
      'product': {'name': 'Microsoft Azure Monitor Agent', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        {'fixed_version': '1.35.1'}
      ]
    }
  ]
};

var result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:result);