Multiple vulnerabilities in Microsoft Office

Description

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

Below is a complete list of vulnerabilities:

1. An improper sanitizing of a specially designed web request to an affected SharePoint server can be exploited remotely to gain privileges;
2. An improper certificate validation in the Lync for Mac 2011 can be exploited remotely to bypass security restrictions;
3. Memory corruption vulnerabilities can be exploited remotely via a specially designed file or website to execute arbitrary code in the context of current user;
4. An improper disclosure of memory contents can be exploited remotely via a specially designed document to obtain sensitive information;
5. An unknown vulnerability can be exploited remotely via a specially designed file to cause a denial of service;
6. An out-of-bounds read due to an uninitialized variable can be exploited remotely via a specially designed file to obtain sensitive information.

---

Technical details

Vulnerability (1) can be exploited by an authenticated attacker;

Exploiting vulnerability (2) requires intercepting and tampering with network traffic.

Vulnerabilities (3) exist because of incorrect object handling in memory.

In case of vulnerabilities (3), you can use Microsoft Office block policy to reventing opening of RTF documents from either unknown or untrusted sources.

To exploit vulnerability (4), an attacker must know the memory adress location, where the object has been created.

Original advisories

• MS17-014

• CVE-2017-0014
• CVE-2017-0060
• CVE-2017-0073
• CVE-2017-0108
• CVE-2017-0052
• CVE-2017-0053
• CVE-2017-0129
• CVE-2017-0020
• CVE-2017-0027
• CVE-2017-0105
• CVE-2017-0107
• CVE-2017-0029
• CVE-2017-0030
• CVE-2017-0019
• CVE-2017-0006
• CVE-2017-0031

Exploitation

Public exploits exist for this vulnerability.

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

Related products

• Microsoft-Office-Compatibility-Pack-for-Word,-Excel,-and-PowerPoint-2007-File-Formats
• Microsoft-Office-PowerPoint
• Microsoft-Office-Professional-Plus-2010
• Microsoft-Excel
• Microsoft-Word
• Microsoft-Sharepoint-Server

CVE list

• CVE-2017-0014
  critical
• CVE-2017-0060
  warning
• CVE-2017-0073
  warning
• CVE-2017-0108
  critical
• CVE-2017-0052
  critical
• CVE-2017-0053
  critical
• CVE-2017-0129
  warning
• CVE-2017-0020
  critical
• CVE-2017-0027
  warning
• CVE-2017-0105
  warning
• CVE-2017-0107
  warning
• CVE-2017-0029
  warning
• CVE-2017-0030
  critical
• CVE-2017-0019
  critical
• CVE-2017-0006
  critical
• CVE-2017-0031
  critical

KB list

• 3127945
• 3127958
• 3141535
• 3172539
• 3178653
• 3178656
• 3178688
• 3178693
• 4010299
• 4010300
• 4010301
• 4010303
• 4010304
• 3178676
• 3178683
• 3178686
• 3178690
• 3178687
• 3172542
• 3172464
• 3178673
• 3178674
• 3198809
• 3178677
• 3178682
• 3178680
• 3178694
• 3212218
• 3178678
• 3178685
• 3178684
• 3172431
• 3178689
• 3172457
• 3172540
• 4012487

Read more

Find out the statistics of the vulnerabilities spreading in your region on statistics.securelist.com