CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AI Score
Confidence
High
The version of Mattermost Desktop installed on the remote host is prior to 5.9.0. It is, therefore, affected by a vulnerability as referenced in the MMSA-2024-00372 advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(207453);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/20");
script_cve_id("CVE-2024-39772");
script_xref(name:"IAVA", value:"2024-A-0583");
script_name(english:"Mattermost Desktop < 5.9.0 (Windows / Unix) (MMSA-2024-00372)");
script_set_attribute(attribute:"synopsis", value:
"Mattermost Desktop running on the remote host is affected by an Information disclosure vulnerability.");
script_set_attribute(attribute:"description", value:
"The version of Mattermost Desktop installed on the remote host is prior to 5.9.0. It is,
therefore, affected by a vulnerability as referenced in the MMSA-2024-00372 advisory.
- Mattermost versions < 5.9.0 Mattermost Desktop app have a vulnerability in their screen capture
functionality, allowing attackers to potentially capture high-quality screenshots without user knowledge via
JavaScript APIs. This vulnerability poses a low confidentiality impact and can be exploited over a network
without requiring user interaction or elevated privileges
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 Desktop version 5.9.0 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-2024-39772");
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:"2024/09/16");
script_set_attribute(attribute:"patch_publication_date", value:"2024/08/16");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/09/19");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:mattermost:mattermost_desktop");
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) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("mattermost_desktop_win_installed.nbin", "mattermost_desktop_nix_installed.nbin");
script_require_keys("installed_sw/Mattermost");
exit(0);
}
include('vcf.inc');
if (!get_kb_item('Host/local_checks_enabled'))
audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var win_local = FALSE;
var os = get_kb_item('Host/OS');
if ('windows' >< tolower(os))
win_local = TRUE;
var app_info = vcf::get_app_info(app:'Mattermost Desktop', win_local:win_local);
var constraints = [
{ 'fixed_version' : '5.9.0' }
];
vcf::check_version_and_report(
app_info:app_info,
constraints:constraints,
severity:SECURITY_NOTE
);