Kaspersky Threats

Detect date

?

06/13/2017

Severity

?

Warning

Description

Multiple serious vulnerabilities have been found in Microsoft Windows. Malicious users can exploit these vulnerabilities to gain privileges, bypass security restrictions, cause a denial of service, obtain sensitive information and possibly to write local files.

Below is a complete list of vulnerabilities:

Incorrectly set permissions on folders inside the DEFAULT folder structure can be exploited locally by logging on and tampering wiht the DEFAULT folder contents possible to write local files;
An improper client authentication in Helppane.exe can be exploited locally by using a specially designed application to gain privileges;
An incorrect security feature behaviour while enforcing case sensitivity for certain variable checks can be exploited locally via a specially designed application to bypass security restrictions;
An improper handling of kernel mode requests of some specific types can be exploited via a specially designed request to cause a denial of service;
An improper handling of objects in memory in Windows Search can be exploited via specially designed SMB messages to obtain sensitive information;
An incorrect handling of objects in memory in Windows Kernel can be exploited locally via a specially designed application to obtain sensitive information.

Technical details

Exploiting vulnerability (3) can lead to bypassing UEFI (Unified Extensible Firmware Interface) variable security.

NB: Not every vulnerability already have CVSS rating so cumulative CVSS rating can be not representative.

Affected products

Microsoft Windows 7 Service Pack 1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows 10
Microsoft Windows Server 2008 R2 Service Pack 1
Microsoft Windows Server 2012
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2016

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)

Original advisories

CVE-2017-0298
CVE-2017-0295
CVE-2017-8493
CVE-2017-8515
CVE-2017-8544
CVE-2017-8554
CVE-2017-8553

Impacts

?

OSI

[?]

DoS

[?]

SB

[?]

WLF

[?]

PE

[?]

Detect date ?	06/13/2017
Severity ?	Warning
Description	Multiple serious vulnerabilities have been found in Microsoft Windows. Malicious users can exploit these vulnerabilities to gain privileges, bypass security restrictions, cause a denial of service, obtain sensitive information and possibly to write local files. Below is a complete list of vulnerabilities: Incorrectly set permissions on folders inside the DEFAULT folder structure can be exploited locally by logging on and tampering wiht the DEFAULT folder contents possible to write local files; An improper client authentication in Helppane.exe can be exploited locally by using a specially designed application to gain privileges; An incorrect security feature behaviour while enforcing case sensitivity for certain variable checks can be exploited locally via a specially designed application to bypass security restrictions; An improper handling of kernel mode requests of some specific types can be exploited via a specially designed request to cause a denial of service; An improper handling of objects in memory in Windows Search can be exploited via specially designed SMB messages to obtain sensitive information; An incorrect handling of objects in memory in Windows Kernel can be exploited locally via a specially designed application to obtain sensitive information. Technical details Exploiting vulnerability (3) can lead to bypassing UEFI (Unified Extensible Firmware Interface) variable security. NB: Not every vulnerability already have CVSS rating so cumulative CVSS rating can be not representative.
Affected products	Microsoft Windows 7 Service Pack 1 Microsoft Windows 8.1 Microsoft Windows RT 8.1 Microsoft Windows 10 Microsoft Windows Server 2008 R2 Service Pack 1 Microsoft Windows Server 2012 Microsoft Windows Server 2012 R2 Microsoft Windows Server 2016
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)
Original advisories	CVE-2017-0298 CVE-2017-0295 CVE-2017-8493 CVE-2017-8515 CVE-2017-8544 CVE-2017-8554 CVE-2017-8553
Impacts ?	OSI [?] DoS [?] SB [?] WLF [?] PE [?]
Related products	Microsoft Windows Server 2012 Microsoft Windows 7 Microsoft Windows Server 2008 Windows RT Microsoft Windows 10
CVE-IDS ?	CVE-2017-02952.1Warning CVE-2017-02984.4Warning CVE-2017-84932.1Warning CVE-2017-85154.9Warning CVE-2017-85442.1Warning CVE-2017-85531.9Warning CVE-2017-85541.9Warning
Microsoft official advisories	Microsoft Security Update Guide
KB list	4022719 4022726 4022714 4022724 4022727 4022715 4022725 4022722 4022717 4024402 4022718 4022887