Mattermost Server < 7.8.10 / 8.0.x < 8.0.2 / 8.1.0 Multiple Vulnerabilities (MMSA-2023-00222) (MMSA-2023-00224) (MMSA-2023-00230)

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

include('compat.inc');

if (description)
{
  script_id(182589);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/09");

  script_cve_id("CVE-2023-5193", "CVE-2023-5195", "CVE-2023-5196");
  script_xref(name:"IAVA", value:"2023-A-0519-S");

  script_name(english:"Mattermost Server < 7.8.10 / 8.0.x < 8.0.2 / 8.1.0 Multiple Vulnerabilities (MMSA-2023-00222) (MMSA-2023-00224) (MMSA-2023-00230)");

  script_set_attribute(attribute:"synopsis", value:
"A web application running on the remote server is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Mattermost Server running on the remote host is prior to 7.8.10, 8.0.x prior to 8.0.2, or 8.1.0. It is,
therefore, affected by multiple vulnerabilities:

  - Mattermost fails to properly check permissions when retrieving a post allowing for a System Role with the
    permission to manage channels to read the posts of a DM conversation. (CVE-2023-5193)

  - Mattermost fails to properly validate the permissions when soft deleting a team allowing a team member to soft
    delete other teams that they are not part of. (CVE-2023-5195)

  - Mattermost fails to enforce character limits in all possible notification props allowing an attacker to send a
    really long value for a notification_prop resulting in the server consuming an abnormal quantity of computing
    resources and possibly becoming temporarily unavailable for its users. (CVE-2023-5196)

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:"solution", value:
"Upgrade to Mattermost Server version 7.8.10, 8.0.2, 8.1.1, or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/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:L/UI:N/S:U/C:N/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-2023-5195");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/09/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/09/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/10/05");

  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:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 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 = [
  { 'fixed_version' : '7.8.10' },
  { 'min_version' : '8.0', 'fixed_version' : '8.0.2' },
  { 'min_version' : '8.1', 'fixed_version' : '8.1.1' }
];

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