Microsoft Excel 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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7.4$0-$5k0.00

A vulnerability classified as critical has been found in Microsoft Excel 2007 SP3/2010 SP2/2013 RT SP1/2013 SP1/2016 (Spreadsheet Software). Affected is some unknown functionality of the component Office Document Handler. 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 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Word 2016 for Mac, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

The weakness was shared 04/12/2016 as MS16-042 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability is traded as CVE-2016-0122 since 12/04/2015. 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. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 90430 (MS16-042: Security Update for Microsoft Office (3148775) (Mac OS X)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110271 (Microsoft Office Remote Code Execution Vulnerabilities (MS16-042)).

Applying the patch MS16-042 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. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 24130.

The vulnerability is also documented in the databases at Exploit-DB (39694), Tenable (90430) and Vulnerability Center (SBV-58113†).

Productinfo

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CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
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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: 🔍
Access: Public
Status: Proof-of-Concept
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Nessus ID: 90430
Nessus Name: MS16-042: Security Update for Microsoft Office (3148775) (Mac OS X)
Nessus File: 🔍
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OpenVAS ID: 802074
OpenVAS Name: Microsoft Office Muliple Remote Code Execution Vulnerabilities-3148775(Mac OS X)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS16-042
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Timelineinfo

12/04/2015 🔍
04/12/2016 +129 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/12/2016 +0 days 🔍
04/13/2016 +1 days 🔍
04/13/2016 +0 days 🔍
07/13/2022 +2282 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-042
Status: Confirmed

CVE: CVE-2016-0122 (🔍)
OVAL: 🔍

SecurityTracker: 1035525
Vulnerability Center: 58113 - [MS16-042] Microsoft Excel, Word for Mac and Office Compatibility Pack Remote Code Execution - CVE-2016-0122, Critical

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/13/2016 10:01 AM
Updated: 07/13/2022 08:29 PM
Changes: 04/13/2016 10:01 AM (75), 02/04/2019 12:46 PM (14), 07/13/2022 08:29 PM (3)
Complete: 🔍
Cache ID: 98:591:40

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