Multiple vulnerabilities in Microsoft Office

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:

1. 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;
2. 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;
3. An improper sanitization of web requests in Microsoft SharePoint Server can be exploited via a specially designed web request to gain privileges;
4. 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.

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

Exploitation

This vulnerability can be exploited by the following malware:

https://threats.kaspersky.com/en/threat/Exploit.MSOffice.CVE-2017-8570/

Public exploits exist for this vulnerability.

Related products

• Microsoft-Office
• Microsoft-Excel
• Microsoft-Sharepoint-Server
• Microsoft-Exchange-Server

CVE list

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

KB list

• 3213537
• 2880514
• 3191833
• 3191894
• 3191897
• 3191902
• 3191907
• 3203459
• 3203468
• 3203469
• 3203477
• 3212224
• 3213544
• 3213545
• 3213555
• 3213559
• 3213624
• 3213640
• 3213657

Read more

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