Microsoft Word 2007/2010 Index code injection

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Word 2007/2010. The impacted element is an unknown function of the component Index Handler. The manipulation leads to code injection. This vulnerability is referenced as CVE-2014-6356. No exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft Word 2007/2010 (Word Processing Software) and classified as critical. This issue affects an unknown functionality of the component Index Handler. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Array index error in Microsoft Word 2007 SP3, Word 2010 SP2, and Office Compatibility Pack SP3 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Invalid Index Remote Code Execution Vulnerability."

The weakness was published 12/09/2014 by Ben Hawkes with Google Project Zero as MS14-081 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2014-6356 since 09/11/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 79830 (MS14-081: Vulnerabilities in Microsoft Word and Office Web Apps Could Allow Remote Code Execution (3017301)), 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 110244 (Microsoft Word and Office Web Apps Remote Code Execution Vulnerability (MS14-081)).

Applying the patch MS14-081 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 17137.

The vulnerability is also documented in the databases at X-Force (98977), Tenable (79830), SecurityFocus (BID 71470†), SecurityTracker (ID 1031314†) and Vulnerability Center (SBV-47498†). Similar entry is available at VDB-68406. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Nessus ID: 79830
Nessus Name: MS14-081: Vulnerabilities in Microsoft Word and Office Web Apps Could Allow Remote Code Execution (3017301)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801595
OpenVAS Name: Microsoft Office Web Apps Remote Code Execution Vulnerabilities (3017301)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Patch: MS14-081
TippingPoint: 🔍

McAfee IPS: 🔍
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Timelineinfo

09/11/2014 🔍
12/09/2014 +89 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/09/2014 +0 days 🔍
12/10/2014 +1 days 🔍
12/10/2014 +0 days 🔍
12/11/2014 +1 days 🔍
03/01/2022 +2637 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS14-081
Researcher: Ben Hawkes
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2014-6356 (🔍)
GCVE (CVE): GCVE-0-2014-6356
GCVE (VulDB): GCVE-100-68405

OVAL: 🔍

X-Force: 98977 - Microsoft Word code execution, High Risk
SecurityFocus: 71470 - Microsoft Office Invalid Index CVE-2014-6356 Memory Corruption Vulnerability
SecurityTracker: 1031314 - Microsoft Office Memory Corruption Flaws Let Remote Users Execute Arbitrary Code
Vulnerability Center: 47498 - [MS14-081] Microsoft Word and Microsoft Office Compatibility Pack Remote Code Execution - CVE-2014-6356, Critical

See also: 🔍

Entryinfo

Created: 12/11/2014 12:14
Updated: 03/01/2022 08:44
Changes: 12/11/2014 12:14 (84), 06/14/2017 17:51 (7), 03/01/2022 08:44 (3)
Complete: 🔍
Cache ID: 216::103

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