Microsoft Excel 2010 SP2/2011/2016 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

A vulnerability, which was classified as critical, was found in Microsoft Excel 2010 SP2/2011/2016 (Spreadsheet Software). Affected is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Microsoft Excel 2010 SP2, Excel for Mac 2011, Excel 2016 for Mac, and Excel Services on SharePoint Server 2010 SP2 allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

The weakness was published 11/08/2016 as MS16-133 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2016-7236. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly 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. 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 vulnerability database at Tenable (94634). Similar entries are available at 93391, 93392, 93393 and 93394.

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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NVD Base Score: 7.8
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Exploitinginfo

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

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)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 801345
OpenVAS Name: Microsoft Office Excel Multiple RCE Vulnerabilities (3199168)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS16-133

Timelineinfo

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

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-133
Status: Confirmed

CVE: CVE-2016-7236 (🔍)
OVAL: 🔍

SecurityTracker: 1037246
SecurityFocus: 94025

See also: 🔍

Entryinfo

Created: 11/10/2016 19:04
Updated: 09/30/2022 19:34
Changes: 11/10/2016 19:04 (44), 02/24/2017 16:49 (21), 09/30/2022 19:18 (3), 09/30/2022 19:26 (11), 09/30/2022 19:34 (1)
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