Microsoft Office Compatibility Pack Spreadsheet input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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10.0$0-$5k0.00

A vulnerability was found in Microsoft Office Compatibility Pack (Office Suite Software) (unknown version). It has been rated as very critical. Affected by this issue is an unknown code block of the component Spreadsheet. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft Excel 2002 SP3, 2003 SP3, 2007 SP2, and 2010; Office 2004, 2008, and 2011 for Mac; Open XML File Format Converter for Mac; and Excel Viewer SP2 do not properly handle errors during the parsing of Office Art records in Excel spreadsheets, which allows remote attackers to execute arbitrary code via a malformed object record, related to a "stray reference," aka "Excel Linked List Corruption Vulnerability."

The weakness was shared 02/10/2011 with Zero Day Initiative (Website). The advisory is available at us-cert.gov. This vulnerability is handled as CVE-2011-0979. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/17/2021).

The vulnerability scanner Nessus provides a plugin with the ID 53374 (MS11-021 / MS11-022 / MS11-023: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2489279 / 2489283 / 2489293) (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 110132 (Microsoft Excel Remote Code Execution Vulnerabilities (MS11-021)).

A possible mitigation has been published 3 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11046.

The vulnerability is also documented in the databases at X-Force (65588) and Tenable (53374). The entries 4286, 4289, 54584 and 56176 are related to this item.

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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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 53374
Nessus Name: MS11-021 / MS11-022 / MS11-023: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2489279 / 2489283 / 2489293) (Mac OS X)
Nessus File: 🔍
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OpenVAS ID: 902410
OpenVAS Name: Microsoft Office Excel Remote Code Execution Vulnerabilities (2489279)
OpenVAS File: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
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TippingPoint: 🔍

McAfee IPS: 🔍
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Timelineinfo

02/07/2011 🔍
02/10/2011 +2 days 🔍
02/10/2011 +0 days 🔍
02/10/2011 +0 days 🔍
02/10/2011 +0 days 🔍
02/10/2011 +0 days 🔍
02/21/2011 +10 days 🔍
04/12/2011 +50 days 🔍
03/20/2015 +1438 days 🔍
10/17/2021 +2403 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Organization: Zero Day Initiative
Status: Not defined

CVE: CVE-2011-0979 (🔍)
OVAL: 🔍

X-Force: 65588
Vulnerability Center: 29884 - [MS11-021] Microsoft Excel Remote Code Execution Vulnerability via a Malformed Object Record, Critical
SecurityFocus: 46226 - Microsoft Excel Office Art Object Remote Code Execution Vulnerability
Secunia: 39122
OSVDB: 70904 - Microsoft Office Excel OfficeArt Container Parsing Memory Corruption

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Entryinfo

Created: 03/20/2015 16:16
Updated: 10/17/2021 02:42
Changes: 03/20/2015 16:16 (68), 04/03/2017 18:11 (11), 10/17/2021 02:35 (4), 10/17/2021 02:42 (1)
Complete: 🔍

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