Sony IPELA Network Camera Remote Stack Buffer Overflow (CVE-2020-36885)

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

include('compat.inc');

if (description)
{
  script_id(504872);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/19");

  script_cve_id("CVE-2020-36885");

  script_name(english:"Sony IPELA Network Camera Remote Stack Buffer Overflow (CVE-2020-36885)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Sony IPELA Network Camera 1.82.01 contains a stack buffer overflow
vulnerability in the ftpclient.cgi endpoint that allows remote
attackers to execute arbitrary code. Attackers can exploit the
vulnerability by sending a crafted POST request with oversized data to
the FTP client functionality, potentially causing remote code
execution or denial of service.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://pro.sony/en_NL/support-resources/snc-dh120/software/mpengb00000928
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f8802ac7");
  script_set_attribute(attribute:"see_also", value:"https://www.exploit-db.com/exploits/48842");
  # https://www.vulncheck.com/advisories/sony-ipela-network-camera-remote-stack-buffer-overflow-via-ftpclientcgi
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?737a5f0b");
  script_set_attribute(attribute:"see_also", value:"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5596.php");
  script_set_attribute(attribute:"solution", value:
"Refer to the 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:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss4_vector", value:"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N");
  script_set_attribute(attribute:"cvss4_threat_vector", value:"CVSS:4.0/E:P");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-36885");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(787);

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/12/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/12/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/01/02");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:sony:snc-dh120t_firmware");
  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 (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Sony');

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

var vuln_cpes = {
    "cpe:/o:sony:snc-dh120t_firmware" :
        {"versionEndIncluding" : "1.82.01", "family" : "SonyIPCameras"}
};

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