| Vulnerability Name: | CVE-2009-0561 (CCN-50789) | ||||||||
| Assigned: | 2009-06-09 | ||||||||
| Published: | 2009-06-09 | ||||||||
| Updated: | 2026-06-16 | ||||||||
| Summary: | Integer overflow in Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Microsoft Office SharePoint Server 2007 SP1 and SP2 allows remote attackers to execute arbitrary code via an Excel file with a Shared String Table (SST) record with a numeric field that specifies an invalid number of unique strings, which triggers a heap-based buffer overflow, aka "Record Integer Overflow Vulnerability." | ||||||||
| CVSS v40 Severity: | |||||||||
| CVSS v3.x Severity: | 10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
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| CVSS v2 Severity: | 9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C) 6.9 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
6.9 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
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| Vulnerability Type: | CWE-189 | ||||||||
| Vulnerability Consequences: | Gain Access | ||||||||
| References: | Source: MITRE Type: CNA CVE-2009-0561 Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: CCN Type: SA35364 Microsoft Excel Multiple Vulnerabilities Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: CCN Type: SECTRACK ID: 1022351 Microsoft Excel Bugs Let Remote Users Execute Arbitrary Code Source: CCN Type: ASA-2009-216 MS09-021 Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (969462) Source: CCN Type: Microsoft Security Bulletin MS09-021 Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (969462) Source: CCN Type: Microsoft Security Bulletin MS09-067 Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (972652) Source: CCN Type: Microsoft Security Bulletin MS10-017 Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150) Source: CCN Type: Microsoft Security Bulletin MS10-038 Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (2027452) Source: CCN Type: Microsoft Security Bulletin MS10-057 Vulnerability in Microsoft Office Excel Could Allow Remote Code Execution (2269707) Source: CCN Type: OSVDB ID: 54957 Microsoft Office Excel File SST Record Handling String Parsing Overflow Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: CCN Type: BID-35245 Microsoft Excel Malformed Shared String Table Record Integer Overflow Vulnerability Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com Source: XF Type: UNKNOWN excel-record-overflow(50789) Source: CCN Type: iDefense PUBLIC ADVISORY: 06.09.09 Microsoft Excel SST Record Integer Overflow Vulnerability Source: af854a3a-2127-422b-91ae-364da2661108 Type: UNKNOWN af854a3a-2127-422b-91ae-364da2661108 Source: secure@microsoft.com Type: UNKNOWN secure@microsoft.com | ||||||||
| Vulnerable Configuration: | Configuration 1: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||
| Oval Definitions | |||||||||
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