KLA11180
Multiple vulnerabilities in Microsoft Office Online
Updated: 01/24/2018
CVSS
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7.5
Detect date
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01/09/2018
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.

Below is a complete list of vulnerabilities:

  1. Remote code execution vulnerability in Microsoft Office software can be exploited via specially crafted file to execute arbitrary code;
  2. Memory corruption vulnerability in Microsoft Office software can be exploited via specially crafted file to execute arbitrary code.

Technical details

Vulnerability (1) is related to Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editions, Microsoft Office 2016 Click-to-Run (C2R) for 64-bit editions, Microsoft Office 2016 for Mac, Microsoft Office Online Server 2016, Microsoft SharePoint Enterprise Server 2016, Microsoft Word 2016 (32-bit edition), Microsoft Word 2016 (64-bit edition).

Affected products

Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editions
Microsoft Office 2016 Click-to-Run (C2R) for 64-bit editions
Microsoft Office 2016 for Mac
Microsoft Office Online Server 2016
Microsoft SharePoint Enterprise Server 2016
Microsoft Word 2016 (32-bit edition)
Microsoft Word 2016 (64-bit edition
Microsoft Office 2010 Service Pack 2 (32-bit editions)
Microsoft Office 2010 Service Pack 2 (64-bit editions)
Microsoft Office Compatibility Pack Service Pack 3
Microsoft Office Web Apps 2010 Service Pack 2
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Office Word Viewer
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
Microsoft SharePoint Server 2010 Service Pack 2
Microsoft Word 2007 Service Pack 3
Microsoft Word 2010 Service Pack 2 (32-bit editions)
Microsoft Word 2010 Service Pack 2 (64-bit editions)
Microsoft Word 2013 RT Service Pack 1
Microsoft Word 2013 Service Pack 1 (32-bit editions)
Microsoft Word 2013 Service Pack 1 (64-bit editions)

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-2018-0792
CVE-2018-0797

Impacts
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ACE 
[?]
Related products
Microsoft Word
Microsoft Sharepoint Server
Microsoft official advisories
CVE-2018-0792
CVE-2018-0797
KB list

4011022