Hikvision Video Recorders NULL Pointer Dereference (CVE-2024-29947)

#%NASL_MIN_LEVEL 80900
##
# %28c%29 Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(502311);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/14");

  script_cve_id("CVE-2024-29947");

  script_name(english:"Hikvision Video Recorders NULL Pointer Dereference (CVE-2024-29947)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"There is a NULL pointer dereference vulnerability in some Hikvision NVRs. 
Due to an insufficient validation of a parameter in a message, an attacker 
may send specially crafted messages to an affected product, causing a process abnormality.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://www.hikvision.com/en/support/cybersecurity/security-advisory/security-vulnerabilities-in-hikvision-nvr-devices/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?01677c26");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2024-29947");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(78);

  script_set_attribute(attribute:"vuln_publication_date", value:"2024/04/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/04/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/07/22");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:hikvision:ds-7604ni-k1%2f4p%28b%29");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright %28c%29 2024-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/Hikvision");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Hikvision');

var asset = tenable_ot::assets::get(vendor:'Hikvision');

var vuln_cpes = {
    "cpe:/o:hikvision:ds-7604ni-k1%2f4p%28b%29" :
        {"family" : "HikvisionVideoRecordersProSeries", "versionEndIncluding" : "V4.30.096_build221220"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_NOTE);