The Microsoft SharePoint Server 2019 installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities:
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(175370);
script_version("1.7");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/27");
script_cve_id("CVE-2023-24950", "CVE-2023-24954", "CVE-2023-24955");
script_xref(name:"MSKB", value:"5002389");
script_xref(name:"MSFT", value:"MS23-5002389");
script_xref(name:"IAVA", value:"2023-A-0244-S");
script_xref(name:"CEA-ID", value:"CEA-2023-0048");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2024/04/16");
script_name(english:"Security Updates for Microsoft SharePoint Server 2019 (May 2023)");
script_set_attribute(attribute:"synopsis", value:
"The Microsoft SharePoint Server 2019 installation on the remote host is missing a security update");
script_set_attribute(attribute:"description", value:
"The Microsoft SharePoint Server 2019 installation on the remote host is
missing security updates. It is, therefore, affected by multiple vulnerabilities:
- A Sharepoint Server spoofing vulnerability. (CVE-2023-24950)
- A Sharepoint Server information disclosure vulnerability. (CVE-2023-24950)
- A Sharepoint Server remote code execution. (CVE-2023-24955)");
script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/5002389");
script_set_attribute(attribute:"solution", value:
"Microsoft has released KB5002389 to address this issue.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-24955");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Sharepoint Dynamic Proxy Generator Unauth RCE');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/05/09");
script_set_attribute(attribute:"patch_publication_date", value:"2023/05/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/05/10");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:sharepoint_server");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2023-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("microsoft_sharepoint_installed.nbin", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl");
script_require_keys("SMB/MS_Bulletin_Checks/Possible");
script_require_ports(139, 445, "Host/patch_management_checks");
exit(0);
}
include('vcf_extras_microsoft.inc');
var app_info = vcf::microsoft::sharepoint::get_app_info();
var kb_checks =
[
{
'product' : '2019',
'edition' : 'Server',
'kb' : '5002389',
'path' : app_info.path,
'version' : '16.0.10398.20000',
'append' : 'bin',
'file' : 'ascalc.dll',
'product_name' : 'Microsoft SharePoint Enterprise Server 2019'
}
];
vcf::microsoft::sharepoint::check_version_and_report
(
app_info:app_info,
bulletin:'MS23-05',
constraints:kb_checks,
severity:SECURITY_HOLE
);