Microsoft Office 2004/2007/2008/2010/2011 Spreadsheet memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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10.0$5k-$25k0.00

A vulnerability was found in Microsoft Office 2004/2007/2008/2010/2011 (Office Suite Software). It has been declared as very critical. Affected by this vulnerability is an unknown code of the component Spreadsheet. 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 summary by CVE is:

Array index error in Microsoft Excel 2003 SP3 and 2007 SP2; Excel in Office 2007 SP2; Excel 2010 Gold and SP1; Excel in Office 2010 Gold and SP1; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Out of Bounds Array Indexing Vulnerability."

The weakness was shared 09/15/2011 by iDefense Labs with VeriSign iDefense Labs (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2011-1987 since 05/09/2011. 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 price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/20/2021).

The vulnerability scanner Nessus provides a plugin with the ID 56178 (MS11-072: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2587505) (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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110144 (Microsoft Excel Remote Code Execution Vulnerabilities (MS11-072)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11678.

The vulnerability is also documented in the databases at X-Force (69498) and Tenable (56178). The entries 58492, 58491, 58490 and 58488 are related to this item.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

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

VulDB Base Score: 10.0
VulDB Temp Score: 10.0
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CVSSv2info

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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 56178
Nessus Name: MS11-072: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2587505) (Mac OS X)
Nessus File: 🔍
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Nessus Port: 🔍

OpenVAS ID: 902727
OpenVAS Name: Microsoft Office Excel Remote Code Execution Vulnerabilities (2587505)
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
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Timelineinfo

05/09/2011 🔍
09/13/2011 +127 days 🔍
09/13/2011 +0 days 🔍
09/14/2011 +1 days 🔍
09/14/2011 +0 days 🔍
09/15/2011 +1 days 🔍
09/15/2011 +0 days 🔍
03/23/2015 +1285 days 🔍
11/20/2021 +2434 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Researcher: iDefense Labs
Organization: VeriSign iDefense Labs
Status: Not defined

CVE: CVE-2011-1987 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 69498
Vulnerability Center: 33213 - [MS11-072] Microsoft Various Excel Related Products Remote Code Execution Vulnerability (I), Critical
SecurityFocus: 49477 - Microsoft Excel Array Indexing 'iax' Field Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/20/2021 06:43
Changes: 03/23/2015 16:50 (72), 04/01/2017 10:24 (11), 11/20/2021 06:43 (2)
Complete: 🔍
Cache ID: 3:A99:103

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