Microsoft Excel 2007 Shape Data Parser resource management

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Microsoft Excel 2007 (Spreadsheet Software) and classified as critical. This issue affects an unknown code block of the component Shape Data Parser. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use-after-free vulnerability in Microsoft Office XP SP3, Office 2003 SP3, Office 2007 SP2, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via malformed shape data in the Office drawing file format, aka "Microsoft Office Graphic Object Dereferencing Vulnerability."

The weakness was shared 02/08/2011 with ZDI (Website). The advisory is shared at The identification of this vulnerability is CVE-2011-0977. 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. 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 03/18/2021).

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 110146 (Microsoft Office Remote Code Execution Vulnerability (MS11-023)).

The problem might be mitigated by replacing the product with as an alternative. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10818. The filter is assigned to the category Exploits.

The vulnerability is also documented in the databases at X-Force (65575) and Tenable (53374). The entries 4286, 56475, 56474 and 56473 are related to this item.







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

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Status: Not defined

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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)
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OpenVAS ID: 801596
OpenVAS Name: Microsoft Excel 2007 Office Drawing Layer Remote Code Execution Vulnerability
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Recommended: Alternative
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02/07/2011 🔍
02/08/2011 +1 days 🔍
02/10/2011 +1 days 🔍
02/10/2011 +0 days 🔍
02/10/2011 +0 days 🔍
02/16/2011 +6 days 🔍
02/21/2011 +5 days 🔍
03/18/2021 +3678 days 🔍



Organization: ZDI
Status: Not defined

CVE: CVE-2011-0977 (🔍)

X-Force: 65575
Vulnerability Center: 29881 - [MS11-023] Microsoft Excel 2007 Remote Arbitrary Code Execution Vulnerability, Medium
SecurityFocus: 46227 - Microsoft Excel Drawing Layer Dangling Pointer Remote Code Execution Vulnerability
Secunia: 43216 - Microsoft Office Excel Shape Data Parsing Use-After-Free Vulnerability, Highly Critical

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Created: 02/16/2011 10:46 AM
Updated: 03/18/2021 07:34 PM
Changes: 02/16/2011 10:46 AM (81), 04/03/2017 06:09 PM (10), 03/18/2021 07:27 PM (3), 03/18/2021 07:34 PM (1)
Complete: 🔍


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