Qnap QTS Path Traversal (CVE-2021-28798)

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

include('compat.inc');

if (description)
{
  script_id(502575);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/10/17");

  script_cve_id("CVE-2021-28798");

  script_name(english:"Qnap QTS Path Traversal (CVE-2021-28798)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A relative path traversal vulnerability has been reported to affect
QNAP NAS running QTS and QuTS hero. If exploited, this vulnerability
allows attackers to modify files that impact system integrity. QNAP
have already fixed this vulnerability in the following versions: QTS
4.5.2.1630 Build 20210406 and later QTS 4.3.6.1663 Build 20210504 and
later QTS 4.3.3.1624 Build 20210416 and later QuTS hero h4.5.2.1638
Build 20210414 and later QNAP NAS running QTS 4.5.3 are not affected.

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/zh-tw/security-advisory/qsa-21-14");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/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:N/I:H/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-2021-28798");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(22, 23, 284);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/05/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/05/21");
  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:4.5.2");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.3.6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:qts:4.3.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:qnap:quts_hero:h4.5.2");
  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:4.5.2" :
        {"versionStartIncluding" : "4.5.2", "versionEndExcluding" : "4.5.2.1630", "family" : "QTS"},
    "cpe:/o:qnap:qts:4.3.6" :
        {"versionStartIncluding" : "4.3.6", "versionEndExcluding" : "4.3.6.1663", "family" : "QTS"},
    "cpe:/o:qnap:qts:4.3.3" :
        {"versionStartIncluding" : "4.3.3", "versionEndExcluding" : "4.3.3.1624", "family" : "QTS"},
    "cpe:/o:qnap:quts_hero:h4.5.2" :
        {"versionStartIncluding" : "h4.5.2", "versionEndExcluding" : "h4.5.2.1638", "family" : "QuTShero"}
};

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