Qnap QTS Path Traversal (CVE-2021-38693)

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

include('compat.inc');

if (description)
{
  script_id(502495);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/10/17");

  script_cve_id("CVE-2021-38693");

  script_name(english:"Qnap QTS Path Traversal (CVE-2021-38693)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A path traversal vulnerability has been reported to affect QNAP device
running QuTScloud, QuTS hero, QTS, QVR Pro Appliance. If exploited,
this vulnerability allows attackers to read the contents of unexpected
files and expose sensitive data. We have already fixed this
vulnerability in the following versions of QuTScloud, QuTS hero, QTS,
QVR Pro Appliance: QuTScloud c5.0.1.1949 and later QuTS hero
h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build
20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS
4.5.4.1991 build 20220329 and later

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  script_set_attribute(attribute:"see_also", value:"https://www.qnap.com/en/security-advisory/qsa-22-13");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  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:L/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-38693");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(22);

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/05/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/05/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/10/16");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:5.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.5.4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:quts_hero:h5.0.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:quts_hero:h4.5.4");
  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) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Qnap');

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

var vuln_cpes = {
    "cpe:/o:qnap:qts:5.0.0" :
        {"versionStartIncluding" : "5.0.0", "versionEndExcluding" : "5.0.0.1986", "family" : "QTS"},
    "cpe:/o:qnap:qts:4.5.4" :
        {"versionStartIncluding" : "4.5.4", "versionEndExcluding" : "4.5.4.1991", "family" : "QTS"},
    "cpe:/o:qnap:quts_hero:h5.0.0" :
        {"versionStartIncluding" : "h5.0.0", "versionEndExcluding" : "h5.0.0.1949", "family" : "QuTShero"},
    "cpe:/o:qnap:quts_hero:h4.5.4" :
        {"versionStartIncluding" : "h4.5.4", "versionEndExcluding" : "h4.5.4.1951", "family" : "QuTShero"}
};

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