// For flags

CVE-2011-2000

Microsoft Internet Explorer swapNode Handling 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 by accessing a deleted object, aka "Body Element 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 accediendo a un objeto eliminado. También conocida como "vulnerabilidad de ejecución remota de código a través del elemento Body".

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 the way Internet Explorer handles calls to the method swapNode(). When a call to swapNode is issued on an node within a document that has two body nodes, Internet Explorer frees an attribute field for one of the body nodes and then later re-uses the freed field during the node swap. This behavior could result in remote code execution under the context of the current user.

*Credits: Sebastian Apelt (www.siberas.de)
CVSS Scores
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* 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
  • 2024-04-11 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
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, 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"
--
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"
-sp1
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 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"
--
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"
-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