Mattermost Server 7.1.0 DoS (MMSA-2022-00115)

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

include('compat.inc');

if (description)
{
  script_id(165624);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/10");

  script_cve_id("CVE-2022-3257");
  script_xref(name:"IAVA", value:"2022-A-0392-S");

  script_name(english:"Mattermost Server 7.1.0 DoS (MMSA-2022-00115)");

  script_set_attribute(attribute:"synopsis", value:
"A web application running on the remote server is affected by a denial of service vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Mattermost Server running on the remote host is 7.1.0. It is, therefore, affected by a denial
of service (DoS) vulnerability. An authenticated, remote attacker can upload a specially crafted GIF file when creating
a post which causes resource exhaustion on the host.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://mattermost.com/security-updates/");
  script_set_attribute(attribute:"see_also", value:"http://https://hackerone.com/reports/1620170");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mattermost Server version 7.2.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-3257");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2022/09/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/08/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/10/03");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mattermost:mattermost_server");
  script_set_attribute(attribute:"stig_severity", value:"II");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mattermost_server_detect.nbin");
  script_require_keys("installed_sw/Mattermost Server");
  script_require_ports("Services/www", 80, 443);

  exit(0);
}

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

var port = get_http_port(default:80);

var app_info = vcf::get_app_info(app:'Mattermost Server', port:port, webapp:TRUE);

var constraints = [
  { 'equal' : '7.1.0', 'fixed_display' : '7.2.0' }
];

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