KLA11155 Multiple vulnerabilities in Microsoft Office

Multiple serious vulnerabilities have been found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information and gain privileges.

Below is a complete list of vulnerabilities:

1. An information disclosure vulnerability in Microsoft Office can be exploited remotely via a specially crafted file to obtain sensitive information;
2. An improper memory handling vulnerability in Microsoft Office can be exploited remotely via a specially crafted file to execude arbitrary code;
3. An improper request handling vulnerability in Microsoft Sharepoint Server can be exploited remotely via a specially crafted request to gain privileges;
4. An information disclosure vulnerability in Microsoft Outlook can be exploited remotely to obtain sensetive information

Original advisories

ADV170021

CVE-2017-11934

CVE-2017-11935

CVE-2017-11936

CVE-2017-11939

Exploitation

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

Related products

Microsoft-Internet-Explorer

Microsoft-Office

Microsoft-Word

Microsoft-Sharepoint-Server

Microsoft-Edge

CVE list

CVE-2017-11934 warning

CVE-2017-11935 critical

CVE-2017-11936 high

CVE-2017-11939 warning

KB list

4011095

4011277

4011575

4011576

4011590

4011608

4011612

4011614

4011602

4011605

4011627

4011660

4011639

4011606

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.

• PE

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

Affected Products

• Microsoft Office 2010 Service Pack 2 (32-bit editions)Microsoft Office 2010 Service Pack 2 (64-bit editions)Microsoft Office 2013 RT Service Pack 1Microsoft Office 2013 Service Pack 1 (32-bit editions)Microsoft Office 2013 Service Pack 1 (64-bit editions)Microsoft Office 2016 (32-bit edition)Microsoft Office 2016 (64-bit edition)Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editionsMicrosoft Office 2016 Click-to-Run (C2R) for 64-bit editionsMicrosoft Office 2016 for MacMicrosoft SharePoint Enterprise Server 2016Microsoft Word 2007 Service Pack 3Microsoft Word 2010 Service Pack 2 (32-bit editions)Microsoft Word 2010 Service Pack 2 (64-bit editions)Microsoft Word 2013 RT Service Pack 1Microsoft Word 2013 Service Pack 1 (32-bit editions)Microsoft Word 2013 Service Pack 1 (64-bit editions)Microsoft Word 2016 (32-bit edition)Microsoft Word 2016 (64-bit edition)