Microsoft Office Word Viewer 2003 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Office Word Viewer 2003 and classified as critical. This issue affects some unknown processing. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2009-0563. Furthermore, there is an exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability has been found in Microsoft Office Word Viewer 2003 (Office Suite Software) and classified as very critical. This vulnerability affects an unknown code. 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:

Stack-based buffer overflow in Microsoft Office Word 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Microsoft Office for Mac 2004 and 2008; Open XML File Format Converter for Mac; Microsoft Office Word Viewer 2003 SP3; Microsoft Office Word Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a Word document with a crafted tag containing an invalid length field, aka "Word Buffer Overflow Vulnerability."

The bug was discovered 06/09/2009. The weakness was shared 06/09/2009 with team509 (Website). The advisory is available at us-cert.gov. This vulnerability was named CVE-2009-0563 since 02/12/2009. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/22/2026).

A public exploit has been developed in Python. It is possible to download the exploit at securityfocus.com. It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 2031 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 39349 (MS09-027: Vulnerabilities in Microsoft Office Word Could Allow Remote Code Execution (969514)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110099 (Microsoft Word Remote Code Execution Vulnerability (MS09-027)). This issue was added on 06/08/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/22/2022:

Apply updates per vendor instructions.

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8215.

The vulnerability is also documented in the databases at X-Force (50793), Tenable (39349), SecurityFocus (BID 35188†), OSVDB (54959†) and SecurityTracker (ID 1022356†). The entries VDB-37163, VDB-48554, VDB-48553 and VDB-48552 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

ADP CISA Base Score: 7.8
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CVSSv2info

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Programming Language: 🔍
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Nessus ID: 39349
Nessus Name: MS09-027: Vulnerabilities in Microsoft Office Word Could Allow Remote Code Execution (969514)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900365
OpenVAS Name: Microsoft Office Word Remote Code Execution Vulnerabilities (969514)
OpenVAS File: 🔍
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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McAfee IPS: 🔍
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PaloAlto IPS: 🔍
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Timelineinfo

11/17/2003 🔍
02/12/2009 +1914 days 🔍
06/09/2009 +117 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/10/2009 +0 days 🔍
06/10/2009 +0 days 🔍
06/10/2009 +0 days 🔍
03/17/2015 +2106 days 🔍
04/22/2026 +4054 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Organization: team509
Status: Confirmed

CVE: CVE-2009-0563 (🔍)
GCVE (CVE): GCVE-0-2009-0563
GCVE (VulDB): GCVE-100-48514

OVAL: 🔍

X-Force: 50793
SecurityFocus: 35188 - Microsoft Word Record Parsing Length Field Remote Stack Buffer Overflow Vulnerability
OSVDB: 54959 - Microsoft Office Word Malformed Length Field Handling Overflow (2009-0563)
SecurityTracker: 1022356
Vulnerability Center: 22472 - [MS09-027] Microsoft Word Malformed Record Remote Arbitrary Code Execution Vulnerability, Medium
Vupen: ADV-2009-1546

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 04/22/2026 04:09
Changes: 03/17/2015 23:38 (92), 09/05/2019 17:37 (3), 04/26/2024 19:06 (29), 06/28/2024 21:08 (12), 09/09/2024 22:30 (1), 04/22/2026 04:09 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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