CVE-2011-2001
Microsoft Internet Explorer SetExpandedClipRect Remote Code Execution Vulnerability
Severity Score
9.3
*CVSS v2
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code via an attempted access to a virtual function table after corruption of this table has occurred, aka "Virtual Function Table Corruption Remote Code Execution Vulnerability."
Microsoft Internet Explorer v6 a v9 no trata correctamente los objetos en la memoria, lo que permite a atacantes remotos ejecutar código de su elección a través de un intento de acceso a una tabla de una función virtual después de que la corrupción de esta tabla se haya producido. También conocida como "vulnerabilidad de ejecución remota de código por corrupción de la Tabla de Función Virtual".
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within mshtml.dll and is a logic bug in the way it handles the 'extra size index' in certain CDispNode classes within the SetExpandedClipRect function. When the 'extra size index' is zero, the code fails to correctly adjust the class instance pointer before and uses the vftable pointer as a flag field. This corrupts the vftable pointer and can lead to remote code execution under the context of the current user. This issue is closely related to CVE-2009-3672.
*Credits:
Anonymous
CVSS Scores
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2011-05-09 CVE Reserved
- 2011-10-12 CVE Published
- 2024-07-21 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/49966 | Third Party Advisory | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12223 | Signature |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-081 | 2022-03-01 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 6 Search vendor "Microsoft" for product "Internet Explorer" and version "6" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 6 Search vendor "Microsoft" for product "Internet Explorer" and version "6" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Xp Search vendor "Microsoft" for product "Windows Xp" | - | sp2, professional, x64 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 6 Search vendor "Microsoft" for product "Internet Explorer" and version "6" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Xp Search vendor "Microsoft" for product "Windows Xp" | - | sp3 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 7 Search vendor "Microsoft" for product "Internet Explorer" and version "7" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 7 Search vendor "Microsoft" for product "Internet Explorer" and version "7" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 7 Search vendor "Microsoft" for product "Internet Explorer" and version "7" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Vista Search vendor "Microsoft" for product "Windows Vista" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 7 Search vendor "Microsoft" for product "Internet Explorer" and version "7" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Xp Search vendor "Microsoft" for product "Windows Xp" | - | sp2, professional, x64 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 7 Search vendor "Microsoft" for product "Internet Explorer" and version "7" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Xp Search vendor "Microsoft" for product "Windows Xp" | - | sp3 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | - | sp1 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | sp1 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Vista Search vendor "Microsoft" for product "Windows Vista" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Xp Search vendor "Microsoft" for product "Windows Xp" | - | sp2, professional, x64 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 8 Search vendor "Microsoft" for product "Internet Explorer" and version "8" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Xp Search vendor "Microsoft" for product "Windows Xp" | - | sp3 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | - | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows 7 Search vendor "Microsoft" for product "Windows 7" | - | sp1 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | - | sp2 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | - |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008" | r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2" | sp1 |
Safe
|
| Microsoft Search vendor "Microsoft" | Internet Explorer Search vendor "Microsoft" for product "Internet Explorer" | 9 Search vendor "Microsoft" for product "Internet Explorer" and version "9" | - |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Vista Search vendor "Microsoft" for product "Windows Vista" | - | sp2 |
Safe
|