CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
100.0%
The remote Windows host is missing a security update. It is, therefore, missing microcode updates to address Spectre Variant 2 (CVE-2017-5715: Branch Target Injection) vulnerability.
#
# (C) Tenable Network Security, Inc.
#
include('compat.inc');
if (description)
{
script_id(121035);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/17");
script_cve_id("CVE-2017-5715");
script_bugtraq_id(102376);
script_xref(name:"MSKB", value:"4090007");
script_xref(name:"MSKB", value:"4091663");
script_xref(name:"MSKB", value:"4091664");
script_xref(name:"MSKB", value:"4091666");
script_xref(name:"MSKB", value:"4100347");
script_xref(name:"MSFT", value:"MS19-4090007");
script_xref(name:"MSFT", value:"MS19-4091663");
script_xref(name:"MSFT", value:"MS19-4091664");
script_xref(name:"MSFT", value:"MS19-4091666");
script_xref(name:"MSFT", value:"MS19-4100347");
script_name(english:"Security Updates for Windows 10 / Windows Server 2016 (January 2019) (Spectre)");
script_set_attribute(attribute:"synopsis", value:
"The remote Windows host is missing a microcode update.");
script_set_attribute(attribute:"description", value:
"The remote Windows host is missing a security update. It is,
therefore, missing microcode updates to address Spectre Variant 2 (CVE-2017-5715:
Branch Target Injection) vulnerability.");
# https://support.microsoft.com/en-us/help/4090007/intel-microcode-updates
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?54724e8f");
# https://support.microsoft.com/en-us/help/4091663/kb4091663-intel-microcode-updates
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fc3b857b");
# https://support.microsoft.com/en-ca/help/4091664/kb4091664-intel-microcode-updates
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cd8152ab");
# https://support.microsoft.com/en-us/help/4091666/kb4091666-intel-microcode-updates
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bbe1123b");
# https://support.microsoft.com/en-us/help/4100347/intel-microcode-updates-for-windows-10-version-1803-and-windows-server
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d015bc95");
# https://azure.microsoft.com/en-us/blog/securing-azure-customers-from-cpu-vulnerability/
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8c467280");
script_set_attribute(attribute:"solution", value:
"Microsoft has released security updates for Windows 10 and Windows Server 2016.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-5715");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/04");
script_set_attribute(attribute:"patch_publication_date", value:"2018/09/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/01/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows_server_2016");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl", "enumerate_ms_azure_vm_win.nbin");
script_require_keys("SMB/MS_Bulletin_Checks/Possible");
script_require_ports(139, 445, "Host/patch_management_checks");
exit(0);
}
include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("misc_func.inc");
include("smb_reg_query.inc");
if (!empty_or_null(get_kb_list("Host/Azure/azure-*")))
audit(AUDIT_HOST_NOT, "affected");
bulletin = 'MS19-01';
get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");
get_kb_item_or_exit("SMB/Registry/Enumerated");
ver = get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1);
# No update for other Windows OS versions, skip testing
if (hotfix_check_sp_range(win10:'0') <= 0)
exit(0, "Windows version " + ver + " is not tested.");
# No update for version 1511, skip testing
os_build = get_kb_item("SMB/WindowsVersionBuild");
if(os_build == "10586")
exit(0, "Windows version " + ver + ", build " + os_build + " is not tested.");
share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);
if (
# RTM
hotfix_is_vulnerable(os:"10", sp:0, os_build:"10240", file:"mcupdate_genuineintel.dll", version:"10.0.10240.18003", min_version:"10.0.10240.16000", dir:"\system32", bulletin:bulletin, kb:"4091666") ||
# 1607
hotfix_is_vulnerable(os:"10", sp:0, os_build:"14393", file:"mcupdate_genuineintel.dll", version:"10.0.14393.2544", min_version:"10.0.14393.0", dir:"\system32", bulletin:bulletin, kb:"4091664") ||
# 1703
hotfix_is_vulnerable(os:"10", sp:0, os_build:"15063", file:"mcupdate_genuineintel.dll", version:"10.0.15063.1384", min_version:"10.0.15063.0", dir:"\system32", bulletin:bulletin, kb:"4091663") ||
# 1709
hotfix_is_vulnerable(os:"10", sp:0, os_build:"16299", file:"mcupdate_genuineintel.dll", version:"10.0.16299.725", min_version:"10.0.16299.0", dir:"\system32", bulletin:bulletin, kb:"4090007") ||
# 1803
hotfix_is_vulnerable(os:"10", sp:0, os_build:"17134", file:"mcupdate_genuineintel.dll", version:"10.0.17134.345", min_version:"10.0.17134.0", dir:"\system32", bulletin:bulletin, kb:"4100347")
)
{
replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
hotfix_security_note();
exit(0);
}
else
{
audit(AUDIT_HOST_NOT, 'affected');
}
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
100.0%