Microsoft SharePoint Server 2007 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 classified as very critical was found in Microsoft SharePoint Server 2007 (Groupware Software). This vulnerability affects an unknown function 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. CVE summarizes:

Microsoft Excel 2007 SP2; Excel in Office 2007 SP2; Excel Viewer SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2; and Excel Services on Office SharePoint Server 2007 SP2 do not properly validate the sign of an unspecified array index, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Out of Bounds Array Indexing Vulnerability."

The weakness was disclosed 09/15/2011 by TippingPoint with TippingPoint's Zero Day Initiative (Website). The advisory is shared for download at us-cert.gov. This vulnerability was named CVE-2011-1990 since 05/09/2011. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/20/2021).

The vulnerability scanner Nessus provides a plugin with the ID 56175 (MS11-072: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2587505)), 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 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 11598.

The vulnerability is also documented in the databases at X-Force (69498) and Tenable (56175). The entries 4411, 58491, 58490 and 58489 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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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
VulDB Vector: 🔍
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56175
Nessus Name: MS11-072: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2587505)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902727
OpenVAS Name: Microsoft Office Excel Remote Code Execution Vulnerabilities (2587505)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
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PaloAlto IPS: 🔍
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Timelineinfo

05/09/2011 🔍
09/13/2011 +127 days 🔍
09/13/2011 +0 days 🔍
09/14/2011 +1 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: TippingPoint
Organization: TippingPoint's Zero Day Initiative
Status: Not defined

CVE: CVE-2011-1990 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 69498
Vulnerability Center: 33233 - [MS11-072] Microsoft Various Excel Related Products Remote Code Execution Vulnerability (IV), Critical
SecurityFocus: 49517 - Microsoft Excel Array Index CVE-2011-1990 Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/20/2021 07:16
Changes: 03/23/2015 16:50 (67), 04/01/2017 10:29 (13), 11/20/2021 07:16 (2)
Complete: 🔍
Cache ID: 3:FD0:103

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