The remote Windows host is missing security update 4578013. It is, therefore, affected by multiple vulnerabilities :
An elevation of privilege vulnerability exists when Windows Remote Access improperly handles memory.
(CVE-2020-1530)
An elevation of privilege vulnerability exists when the Windows Remote Access improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges.
(CVE-2020-1537)
#
# (C) Tenable Network Security, 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(139701);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/06");
script_cve_id("CVE-2020-1530", "CVE-2020-1537");
script_xref(name:"MSKB", value:"4578013");
script_xref(name:"MSFT", value:"MS20-4578013");
script_xref(name:"IAVA", value:"2020-A-0367-S");
script_xref(name:"CEA-ID", value:"CEA-2020-0101");
script_name(english:"KB4578013: Windows 8.1 and Windows Server 2012 R2 August 2020 Additional Security Update");
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 4578013. It is, therefore, affected by multiple vulnerabilities :
- An elevation of privilege vulnerability exists when
Windows Remote Access improperly handles memory.
(CVE-2020-1530)
- An elevation of privilege vulnerability exists when the
Windows Remote Access improperly handles file
operations. An attacker who successfully exploited this
vulnerability could gain elevated privileges.
(CVE-2020-1537)");
script_set_attribute(attribute:"see_also", value:"https://support.microsoft.com/en-us/help/4578013");
script_set_attribute(attribute:"solution", value:
"Apply Security Update KB4578013.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-1537");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/08/19");
script_set_attribute(attribute:"patch_publication_date", value:"2020/08/19");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/20");
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) 2020-2022 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');
include('install_func.inc');
get_kb_item_or_exit('SMB/MS_Bulletin_Checks/Possible');
bulletin = 'MS20-08';
kbs = make_list('4578013');
if (get_kb_item('Host/patch_management_checks')) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_WARNING);
get_kb_item_or_exit('SMB/Registry/Enumerated');
get_kb_item_or_exit('SMB/WindowsVersion', exit_code:1);
if (hotfix_check_sp_range(win81:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);
# Windows 8 EOL
productname = get_kb_item_or_exit("SMB/ProductName", exit_code:1);
if ("Windows 8" >< productname && "8.1" >!< productname)
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:'6.3',
sp:0,
rollup_date:'08_2020_02',
bulletin:bulletin,
rollup_kb_list:[4578013])
)
{
replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
hotfix_security_warning();
hotfix_check_fversion_end();
exit(0);
}
else
{
hotfix_check_fversion_end();
audit(AUDIT_HOST_NOT, hotfix_get_audit_report());
}