Microsoft Office 2007 SP3/2010 SP2/2013 RT SP1/2013 SP1/2016 Office Document memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability was found in Microsoft Office 2007 SP3/2010 SP2/2013 RT SP1/2013 SP1/2016 (Office Suite Software). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Office Document Handler. 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. The summary by CVE is:

Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Word 2013 SP1, Word 2013 RT SP1, Word 2016, and Word Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

The weakness was shared 11/11/2015 by Steven Vittitoe with Google Project Zero as MS15-116 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2015-6091 since 08/14/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86823 (MS15-116: Security Update for Microsoft Office to Address Remote Code Execution (3104540)), 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 110261 (Microsoft Office Remote Code Execution Vulnerabilities (MS15-116)).

Applying the patch MS15-116 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 21684.

The vulnerability is also documented in the vulnerability database at Tenable (86823). The entries 79117, 79175, 79176 and 79177 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 86823
Nessus Name: MS15-116: Security Update for Microsoft Office to Address Remote Code Execution (3104540)
Nessus File: 🔍
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OpenVAS ID: 100868
OpenVAS Name: Microsoft Office Suite Remote Code Execution Vulnerabilities (3104540)
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
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0-Day Time: 🔍

Patch: MS15-116
TippingPoint: 🔍
Fortigate IPS: 🔍

Timelineinfo

08/14/2015 🔍
11/10/2015 +88 days 🔍
11/10/2015 +0 days 🔍
11/10/2015 +0 days 🔍
11/10/2015 +0 days 🔍
11/11/2015 +1 days 🔍
11/11/2015 +0 days 🔍
11/11/2015 +0 days 🔍
11/12/2015 +1 days 🔍
06/27/2022 +2419 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-116
Researcher: Steven Vittitoe
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2015-6091 (🔍)
SecurityTracker: 1034122
Vulnerability Center: 54354 - [MS15-116] Microsoft Office, Word and Word Viewer Remote Code Execution Vulnerability - CVE-2015-6091, Critical
SecurityFocus: 77493 - Microsoft Office CVE-2015-6091 Memory Corruption Vulnerability

See also: 🔍

Entryinfo

Created: 11/12/2015 12:08
Updated: 06/27/2022 11:13
Changes: 11/12/2015 12:08 (69), 04/13/2018 08:50 (12), 06/27/2022 11:13 (3)
Complete: 🔍
Cache ID: 3:E2C:103

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