Microsoft Office 2011 memory corruption

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

A vulnerability was found in Microsoft Office 2011 (Office Suite Software) and classified as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Excel for Mac 2011 and Excel 2016 for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."

The bug was discovered 12/13/2016. The weakness was released 12/13/2016 with Palo Alto Networks as MS16-148 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2016-7263 since 09/09/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 95810 (MS16-148: Security Update for Microsoft Office (3204068) (macOS)), 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 110292 (Microsoft Office Remote Code Execution Vulnerabilities (MS16-148)).

Applying the patch MS16-148 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 (95810). Entries connected to this vulnerability are available at 94434, 94439, 94440 and 94441.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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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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VulDB Reliability: 🔍

NVD Base Score: 7.8
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 95810
Nessus Name: MS16-148: Security Update for Microsoft Office (3204068) (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 861545
OpenVAS Name: Microsoft Office Multiple Vulnerabilities-3204068(Mac OS X)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS16-148

Timelineinfo

09/09/2016 🔍
12/13/2016 +95 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/14/2016 +1 days 🔍
12/14/2016 +0 days 🔍
12/20/2016 +6 days 🔍
10/08/2022 +2118 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-148
Organization: Palo Alto Networks
Status: Confirmed

CVE: CVE-2016-7263 (🔍)
SecurityTracker: 1037441
SecurityFocus: 94668 - Microsoft Office CVE-2016-7263 Memory Corruption Vulnerability

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Entryinfo

Created: 12/14/2016 14:12
Updated: 10/08/2022 12:32
Changes: 12/14/2016 14:12 (77), 07/07/2019 09:30 (5), 10/08/2022 12:32 (3)
Complete: 🔍

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