8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.7 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.407 Medium
EPSS
Percentile
97.3%
This host is missing an important security
update according to Microsoft security update KB4023307.
# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/a:microsoft:silverlight";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.810909");
script_version("2023-07-25T05:05:58+0000");
script_cve_id("CVE-2017-0283", "CVE-2017-8527");
script_tag(name:"cvss_base", value:"9.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
script_tag(name:"creation_date", value:"2017-06-14 09:21:37 +0530 (Wed, 14 Jun 2017)");
script_name("Microsoft Silverlight Multiple Remote Code Execution Vulnerabilities (KB4023307)");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2017 Greenbone AG");
script_family("Windows : Microsoft Bulletins");
script_dependencies("gb_ms_silverlight_detect.nasl");
script_mandatory_keys("Microsoft/Silverlight/Installed");
script_xref(name:"URL", value:"https://support.microsoft.com/en-us/help/4023307");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/63676");
script_tag(name:"summary", value:"This host is missing an important security
update according to Microsoft security update KB4023307.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Multiple flaws exist due to:
- The Windows font library improperly handles specially crafted embedded fonts.
- The way Windows Uniscribe handles objects in memory.");
script_tag(name:"impact", value:"Successful exploitation allows an attacker
to take control of the affected system. An attacker could then install
programs. View, change, or delete data or create new accounts with full user
rights.");
script_tag(name:"affected", value:"Microsoft Silverlight version 5.");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"registry");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if(!msl_ver = get_app_version(cpe:CPE)){
exit(0);
}
if(msl_ver=~ "^5\.")
{
if(version_is_less(version:msl_ver, test_version:"5.1.50907.0"))
{
report = 'Silverlight version: ' + msl_ver + '\n' +
'Vulnerable range: 5.0 - 5.1.50906.0';
security_message(data:report);
exit(0);
}
}
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.7 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.407 Medium
EPSS
Percentile
97.3%