Microsoft Office/SharePoint memory corruption

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

Summaryinfo

A vulnerability was found in Microsoft Office and SharePoint. It has been rated as critical. Affected is an unknown function. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2015-6094. No exploit exists. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability has been found in Microsoft Office and SharePoint (Office Suite Software) and classified as critical. Affected by this vulnerability is an unknown function. 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 weakness was disclosed 11/10/2015 by Steven Seeley with Zero Day Initiative as MS15-116 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2015-6094 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 86817 (MS15-116: Security Updates for Microsoft Office to Address Remote Code Execution (3104540) (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 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 immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 21746.

The vulnerability is also documented in the databases at Tenable (86817), SecurityFocus (BID 77490†) and Vulnerability Center (SBV-54355†). The entries VDB-79117, VDB-79175, VDB-79176 and VDB-79187 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Microsoft Office 2007 up to 2016
  • Microsoft Sharepoint 2007/2010/2013

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86817
Nessus Name: MS15-116: Security Updates for Microsoft Office to Address Remote Code Execution (3104540) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Office Multiple Vulnerabilities-3104540 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure 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 🔍
11/10/2015 +0 days 🔍
11/11/2015 +1 days 🔍
11/11/2015 +0 days 🔍
11/11/2015 +0 days 🔍
06/27/2022 +2420 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-116
Researcher: Steven Seeley
Organization: Zero Day Initiative
Status: Confirmed

CVE: CVE-2015-6094 (🔍)
GCVE (CVE): GCVE-0-2015-6094
GCVE (VulDB): GCVE-100-79177
SecurityFocus: 77490 - Microsoft Office CVE-2015-6094 Memory Corruption Vulnerability
SecurityTracker: 1034118
Vulnerability Center: 54355 - [MS15-116] Microsoft Excel Remote Code Execution due to Memory Corruption, Critical

See also: 🔍

Entryinfo

Created: 11/11/2015 16:57
Updated: 06/27/2022 09:50
Changes: 11/11/2015 16:57 (65), 04/11/2018 11:41 (15), 06/27/2022 09:50 (4)
Complete: 🔍
Cache ID: 216:9DB:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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