Synology DiskStation Manager Exposure of Sensitive Information to an Unauthorized Actor (CVE-2015-2809)

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

include('compat.inc');

if (description)
{
  script_id(502445);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/10/01");

  script_cve_id("CVE-2015-2809");

  script_name(english:"Synology DiskStation Manager Exposure of Sensitive Information to an Unauthorized Actor (CVE-2015-2809)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The Multicast DNS (mDNS) responder in Synology DiskStation Manager
(DSM) before 3.1 inadvertently responds to unicast queries with source
addresses that are not link-local, which allows remote attackers to
cause a denial of service (traffic amplification) or obtain
potentially sensitive information via port-5353 UDP packets to the
Avahi component.

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:"http://www.kb.cert.org/vuls/id/550620");
  script_set_attribute(attribute:"see_also", value:"http://www.kb.cert.org/vuls/id/BLUU-9TLSHD");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/73683");
  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_attribute(attribute:"cvss_score_source", value:"CVE-2015-2809");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(200);

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/04/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/04/01");
  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");
  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/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" :
        {"versionEndExcluding" : "3.1", "family" : "DiskStation"}
};

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