// For flags

CVE-2011-0027

Microsoft Internet Explorer MSADO CacheSize Remote Code Execution Vulnerability

Severity Score

9.3
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2, and Windows Data Access Components (WDAC) 6.0, does not properly validate memory allocation for internal data structures, which allows remote attackers to execute arbitrary code, possibly via a large CacheSize property that triggers an integer wrap and a buffer overflow, aka "ADO Record Memory Vulnerability." NOTE: this might be a duplicate of CVE-2010-1117 or CVE-2010-1118.

Microsoft Data Access Components (MDAC) versión 2.8 SP1 y SP2 y Windows Data Access Components (WDAC) versión 6.0 no valida apropiadamente la asignación de memoria para las estructuras de datos internas, lo que permite a los atacantes remotos ejecutar código arbitrario, posiblemente por medio de una propiedad CacheSize larga que desencadena un ajuste de enteros y un desbordamiento del búfer, también se conoce como "ADO Record Memory Vulnerability" Nota: este CVE podría ser un duplicado de CVE-2010-1117 o CVE-2010-1118.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. This vulnerability was submitted to the ZDI via at the annual Pwn2Own competition at CanSecWest. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The flaw exists within the MSADO component. When handling the a user specified CacheSize property the process uses this value to calculate the 'real' cache size. This value is used without proper validation. A remote attacker can exploit this vulnerability to execute arbitrary code under the context of the browser.

*Credits: Peter Vreugdenhil
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
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2010-12-10 CVE Reserved
  • 2011-01-11 CVE Published
  • 2011-01-12 First Exploit
  • 2023-12-08 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-20: Improper Input Validation
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"
Data Access Components
Search vendor "Microsoft" for product "Data Access Components"
2.8
Search vendor "Microsoft" for product "Data Access Components" and version "2.8"
sp1
Affected
in Microsoft
Search vendor "Microsoft"
Windows Xp
Search vendor "Microsoft" for product "Windows Xp"
*-
Safe
Microsoft
Search vendor "Microsoft"
Data Access Components
Search vendor "Microsoft" for product "Data Access Components"
2.8
Search vendor "Microsoft" for product "Data Access Components" and version "2.8"
sp2
Affected
in Microsoft
Search vendor "Microsoft"
Windows 2003 Server
Search vendor "Microsoft" for product "Windows 2003 Server"
*sp2
Safe
Microsoft
Search vendor "Microsoft"
Data Access Components
Search vendor "Microsoft" for product "Data Access Components"
2.8
Search vendor "Microsoft" for product "Data Access Components" and version "2.8"
sp2
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2003
Search vendor "Microsoft" for product "Windows Server 2003"
*sp2
Safe
Microsoft
Search vendor "Microsoft"
Data Access Components
Search vendor "Microsoft" for product "Data Access Components"
2.8
Search vendor "Microsoft" for product "Data Access Components" and version "2.8"
sp2
Affected
in Microsoft
Search vendor "Microsoft"
Windows Xp
Search vendor "Microsoft" for product "Windows Xp"
-sp2, x64
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows 7
Search vendor "Microsoft" for product "Windows 7"
--
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
*itanium
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
*x32
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
*x64
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
*sp2, x32
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
*sp2, x64
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Server 2008
Search vendor "Microsoft" for product "Windows Server 2008"
-sp2, itanium
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
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"
itanium
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
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"
x64
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Vista
Search vendor "Microsoft" for product "Windows Vista"
*sp1
Safe
Microsoft
Search vendor "Microsoft"
Windows Data Access Components
Search vendor "Microsoft" for product "Windows Data Access Components"
6.0
Search vendor "Microsoft" for product "Windows Data Access Components" and version "6.0"
-
Affected
in Microsoft
Search vendor "Microsoft"
Windows Vista
Search vendor "Microsoft" for product "Windows Vista"
*sp2
Safe