Lucene search

K
kasperskyKaspersky LabKLA11156
HistoryDec 12, 2017 - 12:00 a.m.

KLA11156 Multiple vulnerabilities in Microsoft Windows

2017-12-1200:00:00
Kaspersky Lab
threats.kaspersky.com
100

8.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.1 High

AI Score

Confidence

High

0.366 Low

EPSS

Percentile

97.2%

Multiple serious vulnerabilities have been found in Microsoft Windows. Malicious user can exploit these vulnerabilities to obtain sensitive information, bypass security restrictions and execute arbitrary code.

Below is a complete list of vulnerabilities:

  1. An incorrect validating of untrusted file by Device Guard can be exploited remotely via specially crafted file to bypass security restrictions;
  2. A vulnerability in RPC can be exploited remotely via specially crafted application to execute arbitrary code;
  3. An information disclosure vulnerability in “its://” protocol handler can be exploited remotely to obtain sensitive information.

Original advisories

CVE-2017-11885

CVE-2017-11899

CVE-2017-11927

Exploitation

Public exploits exist for this vulnerability.

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Related products

Microsoft-Windows

Microsoft-Windows-Server-2012

Microsoft-Windows-8

Microsoft-Windows-7

Microsoft-Windows-Server-2008

Microsoft-Windows-10

CVE list

CVE-2017-11885 critical

CVE-2017-11899 critical

CVE-2017-11927 warning

KB list

4053578

4053579

4053580

4053581

4054517

4054519

4054520

4054522

4054523

4103723

4103716

4103731

4103715

4103730

4103726

4103727

4103725

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.

  • SB

Security bypass. Exploitation of vulnerabilities with this impact can lead to performing actions restricted by current security settings.

Affected Products

  • Windows 10 for 32-bit SystemsWindows 10 for x64-based SystemsWindows 10 Version 1511 for 32-bit SystemsWindows 10 Version 1511 for x64-based SystemsWindows 10 Version 1607 for 32-bit SystemsWindows 10 Version 1607 for x64-based SystemsWindows 10 Version 1703 for 32-bit SystemsWindows 10 Version 1703 for x64-based SystemsWindows 10 Version 1709 for 32-bit SystemsWindows 10 Version 1709 for x64-based SystemsWindows 7 for 32-bit Systems Service Pack 1Windows 7 for x64-based Systems Service Pack 1Windows 8.1 for 32-bit systemsWindows 8.1 for x64-based systemsWindows RT 8.1Windows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)Windows Server 2008 for Itanium-Based Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Windows Server 2012Windows Server 2012 (Server Core installation)Windows Server 2012 R2Windows Server 2012 R2 (Server Core installation)Windows Server 2016Windows Server 2016 (Server Core installation)Windows Server, version 1709 (Server Core Installation)

References

8.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

8.1 High

AI Score

Confidence

High

0.366 Low

EPSS

Percentile

97.2%