Mattermost Server 5.34.x < 7.1.9 / 7.2.x < 7.8.4 / 7.9.x < 7.9.3 / 7.10.0 (MMSA-2023-00159)

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

include('compat.inc');

if (description)
{
  script_id(192027);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/13");

  script_cve_id("CVE-2023-2808");

  script_name(english:"Mattermost Server 5.34.x < 7.1.9 / 7.2.x < 7.8.4 / 7.9.x < 7.9.3 / 7.10.0 (MMSA-2023-00159)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The version of Mattermost Server installed on the remote host is prior to 7.1.9, 7.8.4, or 7.9.3 / 7.10.0. It is,
therefore, affected by a vulnerability as referenced in the MMSA-2023-00159 advisory.

  - Mattermost fails to normalize UTF confusable characters when determining if a preview should be generated
    for a hyperlink, allowing an attacker to trigger link preview on a disallowed domain using a specially
    crafted link. (CVE-2023-2808)

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 7.1.9 / 7.8.4 / 7.9.3 / 7.10.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  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:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-2808");

  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:"2023/05/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/04/27");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/03/13");

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

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

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mattermost_server_detect.nbin");
  script_require_keys("installed_sw/Mattermost Server");

  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 = [
  { 'min_version' : '5.34.0', 'fixed_version' : '7.1.9' },
  { 'min_version' : '7.2.0', 'fixed_version' : '7.8.4' },
  { 'min_version' : '7.9', 'fixed_version' : '7.9.3', 'fixed_display' : '7.9.3 / 7.10.0' }
];

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