Detections
Analytics
KB4556843: Windows 7 and Windows Server 2008 R2 May 2020 Security Update
critical Nessus Plugin ID 136507
Language:
Synopsis
The remote Windows host is affected by multiple vulnerabilities.Description
The remote Windows host is missing security update 4556843 or cumulative update 4556836. It is, therefore, affected by multiple vulnerabilities :- A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core or .NET Framework application. The update addresses the vulnerability by correcting how the .NET Core or .NET Framework web application handles web requests. (CVE-2020-1108)
- An information disclosure vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in memory, allowing an attacker to retrieve information from a targeted system. By itself, the information disclosure does not allow arbitrary code execution; however, it could allow arbitrary code to be run if the attacker uses it in combination with another vulnerability. (CVE-2020-1141)
- A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets. (CVE-2020-0909)
- An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2020-1072)
- An information disclosure vulnerability exists when the Windows Client Server Run-Time Subsystem (CSRSS) fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system.
(CVE-2020-1116)
- An elevation of privilege vulnerability exists when the Windows Print Spooler service improperly allows arbitrary writing to the file system. An attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-1048, CVE-2020-1070)
- A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2020-1051, CVE-2020-1174, CVE-2020-1175, CVE-2020-1176)
- An elevation of privilege vulnerability exists in Windows Block Level Backup Engine Service (wbengine) that allows file deletion in arbitrary locations.
(CVE-2020-1010)
- An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level. (CVE-2020-1066)
- An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.
The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2020-0963, CVE-2020-1179)
- A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.
The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2020-1062, CVE-2020-1092)
- An elevation of privilege vulnerability exists in Windows Installer because of the way Windows Installer handles certain filesystem operations. (CVE-2020-1078)
- A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input. An attacker could execute arbitrary code in the context of the current user. (CVE-2020-1064)
- A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code on a target system. (CVE-2020-1153)
- An elevation of privilege vulnerability exists in Windows when the Windows kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
(CVE-2020-1054, CVE-2020-1143)
- A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory.
An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage. The security update addresses the vulnerability by correcting how Windows Media Foundation handles objects in memory. (CVE-2020-1150)
- A remote code execution vulnerability exists in the way that Windows handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code with elevated permissions on a target system. (CVE-2020-1067)
- A security feature bypass vulnerability exists in Microsoft Windows when the Task Scheduler service fails to properly verify client connections over RPC. An attacker who successfully exploited this vulnerability could run arbitrary code as an administrator. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-1113)
- An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS module improperly handles uploaded content. An attacker who successfully exploited this vulnerability could upload restricted file types to an IIS-hosted folder. (CVE-2020-1112)
- An elevation of privilege vulnerability exists when the Windows Printer Service improperly validates file paths while loading printer drivers. An authenticated attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges.
(CVE-2020-1081)
- A remote code execution vulnerability exists in the way that the Microsoft Script Runtime handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2020-1061)
- An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges. (CVE-2020-1071)
- An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.
An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2020-1114)
- An elevation of privilege vulnerability exists when the Windows Common Log File System (CLFS) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. (CVE-2020-1154)
- A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2020-1035, CVE-2020-1058, CVE-2020-1060, CVE-2020-1093)
Solution
Apply Security Only update KB4556843 or Cumulative Update KB4556836.Please Note: These updates are only available through Microsoft's Extended Support Updates program.
This operating system is otherwise unsupported.
See Also
Plugin Details
Severity: Critical
ID: 136507
File Name: smb_nt_ms20_may_4556836.nasl
Version: 1.16
Type: local
Agent: windows
Family: Windows : Microsoft Bulletins
Published: 5/12/2020
Updated: 6/17/2024
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.6
CVSS v2
Risk Factor: High
Base Score: 9.3
Temporal Score: 8.1
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2020-1176
CVSS v3
Risk Factor: Critical
Base Score: 9.9
Temporal Score: 9.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
CVSS Score Source: CVE-2020-1112
Vulnerability Information
CPE: cpe:/o:microsoft:windows_7, cpe:/o:microsoft:windows_server_2008:r2
Required KB Items: SMB/MS_Bulletin_Checks/Possible
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/12/2020
Vulnerability Publication Date: 5/12/2020
CISA Known Exploited Vulnerability Due Dates: 5/3/2022
Exploitable With
CANVAS (CANVAS)
Core Impact
Metasploit (Microsoft Spooler Local Privilege Elevation Vulnerability)
Reference Information
CVE: CVE-2020-0909, CVE-2020-0963, CVE-2020-1010, CVE-2020-1035, CVE-2020-1048, CVE-2020-1051, CVE-2020-1054, CVE-2020-1058, CVE-2020-1060, CVE-2020-1061, CVE-2020-1062, CVE-2020-1064, CVE-2020-1066, CVE-2020-1067, CVE-2020-1070, CVE-2020-1071, CVE-2020-1072, CVE-2020-1078, CVE-2020-1081, CVE-2020-1092, CVE-2020-1093, CVE-2020-1108, CVE-2020-1112, CVE-2020-1113, CVE-2020-1114, CVE-2020-1116, CVE-2020-1141, CVE-2020-1143, CVE-2020-1150, CVE-2020-1153, CVE-2020-1154, CVE-2020-1174, CVE-2020-1175, CVE-2020-1176, CVE-2020-1179