Microsoft Excel 2000/2002/2003/2004/2007 Object Reference code injection

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

A vulnerability was found in Microsoft Excel 2000/2002/2003/2004/2007 (Spreadsheet Software). It has been rated as critical. Affected by this issue is an unknown code block of the component Object Reference 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. CVE summarizes:

Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold and SP3; Excel Viewer; Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1; and Excel in Microsoft Office 2004 and 2008 for Mac allow remote attackers to execute arbitrary code via a crafted Excel document that triggers an access attempt on an invalid object, as exploited in the wild in February 2009 by Trojan.Mdropper.AC.

The bug was discovered 02/23/2009. The weakness was disclosed 02/24/2009 with 0-day as confirmed bulletin (Technet). The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2009-0238 since 01/20/2009. The attack may be launched remotely. No form of authentication is required for 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 08/28/2019). The MITRE ATT&CK project declares the attack technique as T1059.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 900476 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110093 (Microsoft Excel Remote Code Execution Vulnerability (MS09-009)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published 2 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 6841.

The vulnerability is also documented in the databases at X-Force (48875) and Tenable (900476). The entry 47718 is pretty similar.

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: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
ATT&CK: T1059

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 900476
Nessus File: 🔍

OpenVAS ID: 900476
OpenVAS Name: Microsoft Excel Remote Code Execution Vulnerabilities (968557)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/excel_sst
Saint Name: Microsoft Excel SST record code execution

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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0-Day Time: 🔍
Exposure Time: 🔍

Patch: microsoft.com
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
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Timelineinfo

01/20/2009 🔍
02/23/2009 +34 days 🔍
02/23/2009 +0 days 🔍
02/23/2009 +0 days 🔍
02/24/2009 +1 days 🔍
02/24/2009 +0 days 🔍
02/24/2009 +0 days 🔍
02/24/2009 +0 days 🔍
02/25/2009 +0 days 🔍
02/25/2009 +0 days 🔍
03/03/2009 +6 days 🔍
04/14/2009 +42 days 🔍
08/28/2019 +3788 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: microsoft.com
Organization: 0-day
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0238 (🔍)
OVAL: 🔍

X-Force: 48875 - Microsoft Excel unspecified code execution, High Risk
SecurityTracker: 1021744
Vulnerability Center: 21069 - [MS09-009] Microsoft Office Excel Access Invalid Object Remote Code Execution Vulnerability, Medium
SecurityFocus: 33870 - Microsoft Excel Invalid Object Remote Code Execution Vulnerability
Secunia: 33954 - Microsoft Excel Two Vulnerabilities, Extremely Critical
OSVDB: 52695 - Microsoft Office Excel Crafted Document Invalid Object Reference Unspecified Code Execution
Vupen: ADV-2009-1023

See also: 🔍

Entryinfo

Created: 03/03/2009 16:59
Updated: 08/28/2019 12:20
Changes: 03/03/2009 16:59 (106), 08/28/2019 12:20 (1)
Complete: 🔍

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