Vulnerabilities > CVE-2019-18377 - Unspecified vulnerability in Symantec Messaging Gateway

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

include('compat.inc');

if (description)
{
  script_id(132098);
  script_version("1.3");
  script_cvs_date("Date: 2019/12/20");

  script_cve_id("CVE-2019-18377", "CVE-2019-18378", "CVE-2019-18379");
  script_xref(name:"IAVA", value:"2019-A-0464");

  script_name(english:"Symantec Messaging Gateway 10.x < 10.7.3 Multiple Vulnerabilities (SYMSA1501)");
  script_summary(english:"Checks the Symantec Messaging Gateway version number.");

  script_set_attribute(attribute:"synopsis", value:
"A messaging security application running on the remote host is affected by an multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the Symantec Messaging Gateway (SMG) running on the remote host is 10.x
prior to 10.7.3. It is, therefore, affected by multiple vulnerabilities: 

  - A privilege escalation vulnerability exists in Symantec Messaging Gateway. An authenticated, remote
    attacker can exploit this to gain elevated access to resources that are normally protected from an
    application or user. (CVE-2019-18377)

  - A cross-site scripting (XSS) vulnerability exists due to improper validation of user-supplied input before
    returning it to users. An unauthenticated, remote attacker can exploit this, by convincing a user to click
    a specially crafted URL, to execute arbitrary script code in a user's browser session. (CVE-2019-18378)

  - A server-side request forgery (SSRF) exists in Symantec Messaging Gateway. An unauthenticated, remote
    attacker can exploit this to send crafted requests from the backend server of a vulnerable web application
    or access services available through the loopback interface. (CVE-2019-18379)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://support.symantec.com/us/en/article.symsa1501.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Symantec Messaging Gateway (SMG) version 10.7.3 or later.");
  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:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-18379");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/12/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/12/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/12/18");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:symantec:messaging_gateway");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

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

  script_dependencies("symantec_messaging_gateway_detect.nasl");
  script_require_keys("www/sym_msg_gateway");
  script_require_ports("Services/www", 443);

  exit(0);
}

include('vcf.inc');
include('http.inc');

appname = 'sym_msg_gateway';
get_install_count(app_name:appname, exit_if_zero:TRUE);
port = get_http_port(default:443);
app_info = vcf::get_app_info(app:appname, port:port, webapp:true);

vcf::check_granularity(app_info:app_info, sig_segments:3);

constraints = [
  { 'min_version' : '10.0.0', 'fixed_version' : '10.7.3' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE, flags:{xss:TRUE});