Kaspersky Threats

Detect date

?

07/11/2017

Severity

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Critical

Description

Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges and spoof user interface.

Below is a complete list of vulnerabilities:

Multiple vulnerabilities related to improper handling of objects in memory in Microsoft Office can be exploited via a specially designed file to execute arbitrary code;
Multiple vulnerabilities related to incorrect handling of web requests in Microsoft Exchange Outlook Web Access can be exploited by sending a specially designed email message containing a malicious link to a user to execute arbitrary code;
An improper sanitization of web requests in Microsoft SharePoint Server can be exploited via a specially designed web request to gain privileges;
An open redirect vulnerability in Microsoft Exchange can be exploited by sending a link that has a specially designed URL and convincing a user to open it to spoof user interface.

Affected products

Microsoft Exchange Server 2016 Cumulative Update 5
Microsoft Business Productivity Servers 2010 Service Pack 2
Microsoft Office 2007 Service Pack 3
Microsoft Office 2010 Service Pack 2
Microsoft Office 2013 RT Service Pack 1
Microsoft Office 2013 Service Pack 1
Microsoft Office 2016
Microsoft Office Web Apps 2010 Service Pack 2
Microsoft Office 2016 for Mac
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Office for Mac 2011
Microsoft Office Online Server 2016
Microsoft Excel 2007 Service Pack 3
Microsoft Excel 2010 Service Pack 2
Microsoft Excel 2013 Service Pack 1
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2016
Microsoft Excel Viewer 2007 Service Pack 3
Microsoft SharePoint Enterprise Server 2013
Microsoft SharePoint Enterprise Server 2016
Microsoft Exchange Server 2010 Service Pack 3
Microsoft Exchange Server 2013 Cumulative Update 16
Microsoft Exchange Server 2013 Service Pack 1

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-2017-0243
CVE-2017-8501
CVE-2017-8502
CVE-2017-8569
CVE-2017-8570
CVE-2017-0243
CVE-2017-8501
CVE-2017-8502
CVE-2017-8570

Impacts

?

ACE

[?]

PE

[?]

SUI

[?]

Detect date ?	07/11/2017
Severity ?	Critical
Description	Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, gain privileges and spoof user interface. Below is a complete list of vulnerabilities: Multiple vulnerabilities related to improper handling of objects in memory in Microsoft Office can be exploited via a specially designed file to execute arbitrary code; Multiple vulnerabilities related to incorrect handling of web requests in Microsoft Exchange Outlook Web Access can be exploited by sending a specially designed email message containing a malicious link to a user to execute arbitrary code; An improper sanitization of web requests in Microsoft SharePoint Server can be exploited via a specially designed web request to gain privileges; An open redirect vulnerability in Microsoft Exchange can be exploited by sending a link that has a specially designed URL and convincing a user to open it to spoof user interface.
Affected products	Microsoft Exchange Server 2016 Cumulative Update 5 Microsoft Business Productivity Servers 2010 Service Pack 2 Microsoft Office 2007 Service Pack 3 Microsoft Office 2010 Service Pack 2 Microsoft Office 2013 RT Service Pack 1 Microsoft Office 2013 Service Pack 1 Microsoft Office 2016 Microsoft Office Web Apps 2010 Service Pack 2 Microsoft Office 2016 for Mac Microsoft Office Compatibility Pack Service Pack 3 Microsoft Office for Mac 2011 Microsoft Office Online Server 2016 Microsoft Excel 2007 Service Pack 3 Microsoft Excel 2010 Service Pack 2 Microsoft Excel 2013 Service Pack 1 Microsoft Excel 2013 RT Service Pack 1 Microsoft Excel 2016 Microsoft Excel Viewer 2007 Service Pack 3 Microsoft SharePoint Enterprise Server 2013 Microsoft SharePoint Enterprise Server 2016 Microsoft Exchange Server 2010 Service Pack 3 Microsoft Exchange Server 2013 Cumulative Update 16 Microsoft Exchange Server 2013 Service Pack 1
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-2017-0243 CVE-2017-8501 CVE-2017-8502 CVE-2017-8569 CVE-2017-8570 CVE-2017-0243 CVE-2017-8501 CVE-2017-8502 CVE-2017-8570
Impacts ?	ACE [?] PE [?] SUI [?]
Related products	Microsoft Office Microsoft Excel Microsoft Sharepoint Server Microsoft Exchange Server
CVE-IDS ?	CVE-2017-02439.3Critical CVE-2017-85019.3Critical CVE-2017-85029.3Critical CVE-2017-85709.3Critical CVE-2017-85696.5High
Microsoft official advisories	Microsoft Security Update Guide
KB list	3213537 2880514 3191833 3191894 3191897 3191902 3191907 3203459 3203468 3203469 3203477 3212224 3213544 3213545 3213555 3213559 3213624 3213640 3213657
Exploitation	This vulnerability can be exploited by the following malware: https://threats.kaspersky.com/en/threat/Exploit.MSOffice.CVE-2017-8570/ The following public exploits exists for this vulnerability: https://threats.kaspersky.com/en/threat/Exploit.MSOffice.CVE-2017-8570/