Microsoft Office 2007/2010 SP2/2011/2013 SP1 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

A vulnerability classified as critical was found in Microsoft Office 2007/2010 SP2/2011/2013 SP1 (Office Suite Software). This vulnerability affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Microsoft Word 2007, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word for Mac 2011, Excel for Mac 2011, Word 2016 for Mac, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2, Word Automation Services on SharePoint Server 2013 SP1, Office Web Apps 2010 SP2, and Office Web Apps Server 2013 SP1 allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

The bug was discovered 11/08/2016. The weakness was presented 11/08/2016 by Steven Seeley with VeriSign as MS16-133 as confirmed bulletin (Technet). The advisory is available at technet.microsoft.com. This vulnerability was named CVE-2016-7234 since 09/09/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 94634 (MS16-133: Security Update for Microsoft Office (3199168)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110290 (Microsoft Office Remote Code Execution Vulnerabilities (MS16-133)).

Applying the patch MS16-133 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94634) and SecurityFocus (BID 94020†). See VDB-93391, VDB-93392, VDB-93393 and VDB-93394 for similar entries. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

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VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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NVD Base Score: 7.8
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 94634
Nessus Name: MS16-133: Security Update for Microsoft Office (3199168)
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OpenVAS ID: 863836
OpenVAS Name: Microsoft Office Web Apps Multiple Vulnerabilities (3199168)
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Countermeasuresinfo

Recommended: Patch
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Patch: MS16-133

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
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11/10/2016 +2 days 🔍
11/10/2016 +0 days 🔍
09/30/2022 +2150 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-133
Researcher: Steven Seeley
Organization: VeriSign
Status: Confirmed

CVE: CVE-2016-7234 (🔍)
OVAL: 🔍

SecurityFocus: 94020 - Microsoft Office CVE-2016-7234 Memory Corruption Vulnerability
SecurityTracker: 1037246

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Entryinfo

Created: 11/10/2016 07:04 PM
Updated: 09/30/2022 07:03 PM
Changes: 11/10/2016 07:04 PM (70), 05/29/2019 08:58 AM (14), 09/30/2022 07:03 PM (3)
Complete: 🔍
Cache ID: 18:952:40

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