SolarWinds DameWare Mini Remote Client Agent < 12.0.3 Stack Buffer Overflow

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(124062);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/26");

  script_cve_id("CVE-2016-2345");
  script_bugtraq_id(84704);
  script_xref(name:"CERT", value:"897144");
  script_xref(name:"EDB-ID", value:"43059");
  script_xref(name:"IAVA", value:"2020-A-0392-S");

  script_name(english:"SolarWinds DameWare Mini Remote Client Agent < 12.0.3 Stack Buffer Overflow");
  script_summary(english:"Checks the version of DWRCS.EXE.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is running a remote management application that has
a stack buffer overflow condition.");
  script_set_attribute(attribute:"description", value:
"The remote host is running a version of SolarWinds DameWare Mini
Remote Client Agent prior to 12.0.3. A stack-based buffer overflow
condition exists in DWRCS.EXE due to improper validation of user
supplied data passed to wsprintfw(). An attacker can exploit this,
via a specially crafted message, to execute arbitrary code.");
  # https://support.solarwinds.com/Success_Center/DameWare_Remote_Support_Mini_Remote_Control/Knowledgebase_Articles/CVE-2016-2345_vulnerability
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ea9bfd3f");
  # https://www.securifera.com/blog/2016/04/03/fun-with-remote-controllers-dameware-mini-remote-control-cve-2016-2345/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?05d43982");
  script_set_attribute(attribute:"see_also", value:"https://www.securifera.com/advisories/cve-2016-2345/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to SolarWinds DameWare Mini Remote Control v12.0.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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-2016-2345");
  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_set_attribute(attribute:"vuln_publication_date", value:"2016/03/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/03/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/04/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/a:solarwinds:dameware_mini_remote_control");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2019-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_enum_services.nasl");
  script_require_keys("SMB/svc/dwmrcs/path");
  script_require_ports(139,445);

  exit(0);
}

include("smb_func.inc");
include("smb_hotfixes_fcheck.inc");
include("vcf.inc");

# Check if the service is detected by smb_enum_services.nasl
val   = get_kb_item_or_exit('SMB/svc/dwmrcs/path');

# Get and check the exe path
ret   = split(val, sep:' ', keep:FALSE);
path  = ret[0];
match = pregmatch(string:path, pattern:'^([A-Za-z]):(.+)$');
if (isnull(match))
  exit(1, 'Invalid path ' + path + ' for DWMRCS.exe.');

app = 'SolarWinds DameWare Mini Remote Client Agent';

# Get the file version for the exe.
# hotfix_get_fversion() does not go out to the network
# to fetch the file version if the version is already saved
# in the KB.
fver = hotfix_get_fversion(path:path);
hotfix_handle_error(
  error_code:fver['error'],
  appname:app,
  file:path,
  exit_on_fail:TRUE
);
hotfix_check_fversion_end();
ver = join(fver['value'], sep:'.');

# This KB was created by hotfix_get_fversion()
share = match[1] + '$';
file = match[2];
kb = 'SMB/FileVersions/'+tolower(share-'$')+tolower(str_replace(string:file, find:"\", replace:'/'));

app_info = vcf::get_app_info(app:app, kb_ver:kb, port:kb_smb_transport());
vcf::check_granularity(app_info:app_info, sig_segments:3);

constraints = [
  {"fixed_version": "12.0.3" }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);