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nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.SMB_NT_MS23_MAY_5026363.NASL
HistoryMay 09, 2023 - 12:00 a.m.

KB5026363: Windows 10 Version 1607 and Windows Server 2016 Security Update (May 2023)

2023-05-0900:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
227
security update
windows 10
windows server 2016
remote code execution
denial of service
cve-2023-24943
cve-2023-28283
cve-2023-24939
nessus

0.529 Medium

EPSS

Percentile

97.6%

The remote Windows host is missing security update 5026363. It is, therefore, affected by multiple vulnerabilities

  • Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability (CVE-2023-24943)

  • Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability (CVE-2023-28283)

  • Server for NFS Denial of Service Vulnerability (CVE-2023-24939)

Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.

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

#
# The descriptive text and package checks in this plugin were
# extracted from the Microsoft Security Updates API. The text
# itself is copyright (C) Microsoft Corporation.
##

include('compat.inc');

if (description)
{
  script_id(175339);
  script_version("1.8");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/06");

  script_cve_id(
    "CVE-2023-24900",
    "CVE-2023-24901",
    "CVE-2023-24903",
    "CVE-2023-24932",
    "CVE-2023-24939",
    "CVE-2023-24940",
    "CVE-2023-24941",
    "CVE-2023-24942",
    "CVE-2023-24943",
    "CVE-2023-24945",
    "CVE-2023-24946",
    "CVE-2023-24947",
    "CVE-2023-24948",
    "CVE-2023-28251",
    "CVE-2023-28283",
    "CVE-2023-29324",
    "CVE-2023-29325",
    "CVE-2023-29336"
  );
  script_xref(name:"MSKB", value:"5026363");
  script_xref(name:"MSFT", value:"MS23-5026363");
  script_xref(name:"IAVA", value:"2023-A-0248-S");
  script_xref(name:"IAVA", value:"2023-A-0249-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/05/30");

  script_name(english:"KB5026363: Windows 10 Version 1607 and Windows Server 2016 Security Update (May 2023)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote Windows host is missing security update 5026363. It is, therefore, affected by multiple vulnerabilities

  - Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability (CVE-2023-24943)

  - Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability (CVE-2023-28283)

  - Server for NFS Denial of Service Vulnerability (CVE-2023-24939)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/help/5026363");
  script_set_attribute(attribute:"solution", value:
"Apply Security Update 5026363");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-24943");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", 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:"2023/05/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
  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 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("smb_check_rollup.nasl", "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('smb_func.inc');
include('smb_hotfixes.inc');
include('smb_hotfixes_fcheck.inc');
include('smb_reg_query.inc');

get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');

bulletin = 'MS23-05';
kbs = make_list(
  '5026363'
);

if (get_kb_item('Host/patch_management_checks')) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);

get_kb_item_or_exit('SMB/Registry/Enumerated');
get_kb_item_or_exit('SMB/WindowsVersion', exit_code:1);

if (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);

share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);

if (
  smb_check_rollup(os:'10',
                   os_build:14393,
                   rollup_date:'05_2023',
                   bulletin:bulletin,
                   rollup_kb_list:[5026363])
)
{
  replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
  hotfix_security_hole();
  hotfix_check_fversion_end();
  exit(0);
}
else
{
  hotfix_check_fversion_end();
  audit(AUDIT_HOST_NOT, hotfix_get_audit_report());
}
VendorProductVersionCPE
microsoftwindowscpe:/o:microsoft:windows

References