Synology DiskStation Manager Path Traversal (CVE-2013-6987)

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

include('compat.inc');

if (description)
{
  script_id(502481);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/04/21");

  script_cve_id("CVE-2013-6987");

  script_name(english:"Synology DiskStation Manager Path Traversal (CVE-2013-6987)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Multiple directory traversal vulnerabilities in the FileBrowser
components in Synology DiskStation Manager (DSM) before 4.3-3810
Update 3 allow remote attackers to read, write, and delete arbitrary
files via a .. (dot dot) in the (1) path parameter to file_delete.cgi
or (2) folder_path parameter to file_share.cgi in webapi/FileStation/;
(3) dlink parameter to fbdownload/; or unspecified parameters to (4)
html5_upload.cgi, (5) file_download.cgi, (6) file_sharing.cgi, (7)
file_MVCP.cgi, or (8) file_rename.cgi in webapi/FileStation/.

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://packetstormsecurity.com/files/124563");
  script_set_attribute(attribute:"see_also", value:"http://seclists.org/fulldisclosure/2013/Dec/177");
  script_set_attribute(attribute:"see_also", value:"http://www.exploit-db.com/exploits/30475");
  script_set_attribute(attribute:"see_also", value:"http://www.securityfocus.com/bid/64483");
# script_set_attribute(attribute:"see_also", value:"http://www.synology.com/en-us/releaseNote/model/DS114");
  # https://www.synology.com/en-id/company/news/article/Synology_Fixes_Vulnerability_in_DiskStation_Manager
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?eb3e77e7");
  script_set_attribute(attribute:"see_also", value:"https://exchange.xforce.ibmcloud.com/vulnerabilities/89892");
  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:POC/RL:OF/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2013-6987");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(22);

  script_set_attribute(attribute:"vuln_publication_date", value:"2013/12/31");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/12/31");
  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:4.3");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:synology:diskstation_manager:4.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:synology:diskstation_manager:4.0");
  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) 2024-2026 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:4.3" :
        {"versionEndExcluding" : "4.3-3827", "versionStartIncluding" : "4.3", "family" : "DiskStation"},
    "cpe:/a:synology:diskstation_manager:4.1" :
        {"versionEndExcluding" : "4.2-3243", "versionStartIncluding" : "4.1", "family" : "DiskStation"},
    "cpe:/a:synology:diskstation_manager:4.0" :
        {"versionEndExcluding" : "4.0-2259", "versionStartIncluding" : "4.0", "family" : "DiskStation"}
};

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