Lucene search

K
kasperskyKaspersky LabKLA12289
HistorySep 14, 2021 - 12:00 a.m.

KLA12289 Multiple vulnerabilities in Microsoft Products (ESU)

2021-09-1400:00:00
Kaspersky Lab
threats.kaspersky.com
18

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

Low

EPSS

0.592

Percentile

97.8%

Multiple vulnerabilities were found in Microsoft Products (Extended Security Update). Malicious users can exploit these vulnerabilities to obtain sensitive information, gain privileges, cause denial of service, spoof user interface, execute arbitrary code.

Below is a complete list of vulnerabilities:

  1. An information disclosure vulnerability in Windows Redirected Drive Buffering SubSystem Driver can be exploited remotely to obtain sensitive information.
  2. An information disclosure vulnerability in Windows Installer can be exploited remotely to obtain sensitive information.
  3. An elevation of privilege vulnerability in Windows Ancillary Function Driver for WinSock can be exploited remotely to gain privileges.
  4. A denial of service vulnerability in Windows Installer can be exploited remotely to cause denial of service.
  5. An elevation of privilege vulnerability in Windows Print Spooler can be exploited remotely to gain privileges.
  6. A memory corruption vulnerability in Windows Scripting Engine can be exploited remotely to execute arbitrary code.
  7. An elevation of privilege vulnerability in Windows Event Tracing can be exploited remotely to gain privileges.
  8. An elevation of privilege vulnerability in Windows Common Log File System Driver can be exploited remotely to gain privileges.
  9. An information disclosure vulnerability in Windows Ancillary Function Driver for WinSock can be exploited remotely to obtain sensitive information.
  10. An elevation of privilege vulnerability in Win32k can be exploited remotely to gain privileges.
  11. A spoofing vulnerability in Windows Authenticode can be exploited remotely to spoof user interface.
  12. An elevation of privilege vulnerability in Windows Kernel can be exploited remotely to gain privileges.
  13. An information disclosure vulnerability in Windows SMB can be exploited remotely to obtain sensitive information.
  14. A remote code execution vulnerability in Windows WLAN AutoConfig Service can be exploited remotely to execute arbitrary code.
  15. An elevation of privilege vulnerability in Windows DNS can be exploited remotely to gain privileges.

Original advisories

CVE-2021-38635

CVE-2021-36962

CVE-2021-38628

CVE-2021-36961

CVE-2021-38671

CVE-2021-26435

CVE-2021-38630

CVE-2021-36969

CVE-2021-36955

CVE-2021-38638

CVE-2021-36964

CVE-2021-38629

CVE-2021-40447

CVE-2021-38639

CVE-2021-36959

CVE-2021-38667

CVE-2021-38626

CVE-2021-38636

CVE-2021-36960

CVE-2021-36965

CVE-2021-36968

CVE-2021-36963

CVE-2021-38625

CVE-2021-38633

Related products

Microsoft-Windows

Microsoft-Windows-Server

Microsoft-Windows-Server-2012

Microsoft-Windows-8

Microsoft-Windows-7

Microsoft-Windows-Server-2008

Windows-RT

Microsoft-Windows-10

CVE list

CVE-2021-38635 unknown

CVE-2021-36962 unknown

CVE-2021-38628 unknown

CVE-2021-36961 unknown

CVE-2021-38671 unknown

CVE-2021-26435 unknown

CVE-2021-38630 unknown

CVE-2021-36969 unknown

CVE-2021-36955 unknown

CVE-2021-38638 unknown

CVE-2021-36964 unknown

CVE-2021-38629 unknown

CVE-2021-40447 unknown

CVE-2021-38639 unknown

CVE-2021-36959 unknown

CVE-2021-38667 unknown

CVE-2021-38626 unknown

CVE-2021-38636 unknown

CVE-2021-36960 unknown

CVE-2021-36965 unknown

CVE-2021-36968 unknown

CVE-2021-36963 unknown

CVE-2021-38625 unknown

CVE-2021-38633 unknown

KB list

5005633

5005606

5005615

5005618

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

  • ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

  • OSI

Obtain sensitive information. Exploitation of vulnerabilities with this impact can lead to capturing by abuser information, critical for user or system.

  • DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

  • PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

  • SUI

Spoof user interface. Exploitation of vulnerabilities with this impact can lead to changes in user interface to beguile user into inaccurate behavior.

Affected Products

  • Windows Server 2012 R2 (Server Core installation)Windows 10 Version 21H1 for x64-based SystemsWindows Server 2008 for 32-bit Systems Service Pack 2Windows 10 Version 1909 for 32-bit SystemsWindows Server 2022Windows Server 2022 (Server Core installation)Windows 7 for 32-bit Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server, version 2004 (Server Core installation)Windows Server 2016 (Server Core installation)Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Windows 10 Version 1809 for ARM64-based SystemsWindows 10 Version 20H2 for ARM64-based SystemsWindows 10 Version 1809 for x64-based SystemsWindows 10 Version 2004 for ARM64-based SystemsWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Windows Server 2016Windows 10 Version 2004 for x64-based SystemsWindows 10 Version 1909 for x64-based SystemsWindows Server 2012 (Server Core installation)Windows 10 Version 2004 for 32-bit SystemsWindows 10 Version 1607 for 32-bit SystemsWindows 10 Version 1909 for ARM64-based SystemsWindows 8.1 for x64-based systemsWindows RT 8.1Windows 10 for x64-based SystemsWindows Server 2012 R2Windows Server 2012Windows 10 Version 1809 for 32-bit SystemsWindows 10 Version 21H1 for 32-bit SystemsWindows Server 2019Windows 10 Version 1607 for x64-based SystemsWindows 8.1 for 32-bit systemsWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Windows Server 2019 (Server Core installation)Windows 10 Version 20H2 for x64-based SystemsWindows 7 for x64-based Systems Service Pack 1Windows Server 2008 for x64-based Systems Service Pack 2Windows 10 Version 21H1 for ARM64-based SystemsWindows Server, version 20H2 (Server Core Installation)Windows 10 for 32-bit SystemsWindows 10 Version 20H2 for 32-bit Systems

References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

8.8

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

Low

EPSS

0.592

Percentile

97.8%