Synology DiskStation Manager Dnsmasq Out-of-bounds Write (CVE-2017-14491)

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

include('compat.inc');

if (description)
{
  script_id(502455);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/21");

  script_cve_id("CVE-2017-14491");

  script_name(english:"Synology DiskStation Manager Dnsmasq Out-of-bounds Write (CVE-2017-14491)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Heap-based buffer overflow in dnsmasq before 2.78 allows remote
attackers to cause a denial of service (crash) or execute arbitrary
code via a crafted DNS response.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00003.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?eedce63b");
  # http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00004.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1e46c431");
  # http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00005.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?689bb660");
  # http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00006.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?043d20f6");
  script_set_attribute(attribute:"see_also", value:"http://nvidia.custhelp.com/app/answers/detail/a_id/4560");
  script_set_attribute(attribute:"see_also", value:"http://nvidia.custhelp.com/app/answers/detail/a_id/4561");
  # http://packetstormsecurity.com/files/144480/Dnsmasq-2-Byte-Heap-Based-Overflow.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cf750b36");
  script_set_attribute(attribute:"see_also", value:"http://thekelleys.org.uk/dnsmasq/CHANGELOG");
# http://thekelleys.org.uk/gitweb/?p=dnsmasq.git%3Ba=commit%3Bh=0549c73b7ea6b22a3c49beb4d432f185a81efcbc
# script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8049541f");
# script_set_attribute(attribute:"see_also", value:"http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2017-005.txt");
  script_set_attribute(attribute:"see_also", value:"http://www.debian.org/security/2017/dsa-3989");
  # http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171103-01-dnsmasq-en
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?b9f34390");
  script_set_attribute(attribute:"see_also", value:"http://www.ubuntu.com/usn/USN-3430-1");
  script_set_attribute(attribute:"see_also", value:"http://www.ubuntu.com/usn/USN-3430-2");
  script_set_attribute(attribute:"see_also", value:"http://www.ubuntu.com/usn/USN-3430-3");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2017:2836");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2017:2837");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2017:2838");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2017:2839");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2017:2840");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2017:2841");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/vulnerabilities/3199382");
  script_set_attribute(attribute:"see_also", value:"https://cert-portal.siemens.com/productcert/pdf/ssa-689071.pdf");
  # https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/527KNN34RN2SB6MBJG7CKSEBWYE3TJEB/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?514e602a");
  # https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5MMPCJOYPPL4B5RBY4U425PWG7EETDTD/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1cd03f69");
  # https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YXRZ2W6TV6NLUJC5NOFBSG6PZSMDTYPV/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dd7b3f81");
  script_set_attribute(attribute:"see_also", value:"https://security.gentoo.org/glsa/201710-27");
  # https://security.googleblog.com/2017/10/behind-masq-yet-more-dns-and-dhcp.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?1684fac7");
  # https://www.arista.com/en/support/advisories-notices/security-advisories/3577-security-advisory-30
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?0ceb5dd8");
  # https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?615de507");
  # https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-449/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d0c1297e");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2017/dsa-3989");
  script_set_attribute(attribute:"see_also", value:"https://www.exploit-db.com/exploits/42941/");
  script_set_attribute(attribute:"see_also", value:"https://www.kb.cert.org/vuls/id/973527");
  # https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11664.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?377ae9b0");
  # https://www.mail-archive.com/dnsmasq-discuss%40lists.thekelleys.org.uk/msg11665.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?da07946c");
  script_set_attribute(attribute:"see_also", value:"https://www.synology.com/support/security/Synology_SA_17_59_Dnsmasq");
  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:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-14491");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/10/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/10/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/10/01");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:synology:diskstation_manager:5.2");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:synology:diskstation_manager:6.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:synology:diskstation_manager:6.1");
  script_end_attributes();

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

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

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Synology');

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

var vuln_cpes = {
    "cpe:/a:synology:diskstation_manager:5.2" :
        {"versionEndIncluding" : "5.2", "versionStartIncluding" : "5.2", "family" : "DiskStation"},
    "cpe:/a:synology:diskstation_manager:6.0" :
        {"versionEndIncluding" : "6.0", "versionStartIncluding" : "6.0", "family" : "DiskStation"},
    "cpe:/a:synology:diskstation_manager:6.1" :
        {"versionEndIncluding" : "6.1", "versionStartIncluding" : "6.1", "family" : "DiskStation"}
};

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