CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.0 | $0-$5k | 0.00 |
A vulnerability was found in Microsoft Excel 2003 (Spreadsheet Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Record Parser. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Microsoft Excel 2003 SP3 and Office 2004 for Mac do not properly handle objects in memory, which allows remote attackers to execute arbitrary code via a crafted Excel spreadsheet, aka "Record Memory Corruption Vulnerability."
The weakness was presented 12/13/2011 by iDefense Labs with iDefense as MS11-096 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. This vulnerability is known as CVE-2011-3403 since 09/09/2011. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 57282 (MS11-096: Vulnerability in Microsoft Excel Could Allow Remote Code Execution (2640241)), 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 110170 (Microsoft Excel Remote Code Execution Vulnerabilities (MS11-096)).
Upgrading eliminates this vulnerability. Applying the patch MS11-096 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (57282). See 4411, 4446 and 4480 for similar entries.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.0
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Code injectionCWE: CWE-94 / CWE-74 / CWE-707
ATT&CK: T1059
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 57282
Nessus Name: MS11-096: Vulnerability in Microsoft Excel Could Allow Remote Code Execution (2640241)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 902494
OpenVAS Name: Microsoft Office Excel Remote Code Execution Vulnerability (2640241)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: MS11-096
Timeline
09/09/2011 🔍12/13/2011 🔍
12/13/2011 🔍
12/13/2011 🔍
12/13/2011 🔍
12/13/2011 🔍
12/13/2011 🔍
12/19/2011 🔍
04/28/2019 🔍
Sources
Vendor: microsoft.comAdvisory: MS11-096
Researcher: iDefense Labs
Organization: iDefense
Status: Confirmed
CVE: CVE-2011-3403 (🔍)
OVAL: 🔍
SecurityFocus: 50954 - Microsoft Excel CVE-2011-3403 Remote Code Execution Vulnerability
Secunia: 47203 - Microsoft Office Excel LABELSST Record Parsing Vulnerability, Highly Critical
See also: 🔍
Entry
Created: 12/19/2011 01:00Updated: 04/28/2019 09:53
Changes: 12/19/2011 01:00 (83), 04/28/2019 09:53 (2)
Complete: 🔍
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