Vulnerability Name:

CVE-2011-1227 (CCN-66409)

Assigned:2011-04-12
Published:2011-04-12
Updated:2020-09-28
Summary:win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."
Per: http://cwe.mitre.org/data/definitions/476.html
'CWE-476: NULL Pointer Dereference'
CVSS v3 Severity:9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.3 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.3 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Privileges
References:Source: MISC
Type: UNKNOWN
http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx

Source: MITRE
Type: CNA
CVE-2011-1227

Source: OSVDB
Type: UNKNOWN
71732

Source: CCN
Type: SA44156
Microsoft Windows win32k.sys Driver Privilege Escalation Vulnerabilities

Source: SECUNIA
Type: UNKNOWN
44156

Source: CONFIRM
Type: UNKNOWN
http://support.avaya.com/css/P8/documents/100133352

Source: CCN
Type: Microsoft Security Bulletin MS11-087
Vulnerability in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2639417)

Source: CCN
Type: Microsoft Security Bulletin MS12-008
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2660465)

Source: CCN
Type: Microsoft Security Bulletin MS12-018
Vulnerability in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2641653)

Source: CCN
Type: Microsoft Security Bulletin MS12-034
Combined Security Update for Microsoft Office, Windows, .NET Framework, and Silverlight (2681578)

Source: CCN
Type: Microsoft Security Bulletin MS13-022
Vulnerability in Silverlight Could Allow Remote Code Execution (2814124)

Source: CCN
Type: Microsoft Security Bulletin MS13-054
Vulnerability in Windows Components Could Allow Remote Code Execution (2848295)

Source: CCN
Type: Microsoft Security Bulletin MS14-038
Vulnerability in Windows Journal Could Allow Remote Code Execution (2975689)

Source: CCN
Type: Microsoft Security Bulletin MS11-034
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2506223)

Source: CCN
Type: Microsoft Security Bulletin MS11-041
Vulnerability in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2525694)

Source: CCN
Type: Microsoft Security Bulletin MS11-054
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2555917)

Source: CCN
Type: Microsoft Security Bulletin MS11-077
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2567053)

Source: CCN
Type: Microsoft Security Bulletin MS11-084
Vulnerability in Windows Kernel-Mode Drivers Could Allow Denial of Service (2617657)

Source: CCN
Type: OSVDB ID: 71732
Microsoft Windows win32k.sys Driver NULL Pointer De-reference Unspecified Local Privilege Escalation (2011-1227)

Source: BID
Type: UNKNOWN
47227

Source: CCN
Type: BID-47227
Microsoft Windows Kernel 'Win32k.sys' (CVE-2011-1227) Local Privilege Escalation Vulnerability

Source: SECTRACK
Type: UNKNOWN
1025345

Source: CERT
Type: US Government Resource
TA11-102A

Source: VUPEN
Type: UNKNOWN
ADV-2011-0952

Source: MS
Type: UNKNOWN
MS11-034

Source: XF
Type: UNKNOWN
mswin-win32k-var15-priv-escalation(66409)

Source: XF
Type: UNKNOWN
mswin-win32k-var15-priv-escalation(66409)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:12681

Vulnerable Configuration:Configuration 1:
  • cpe:/o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:ultimate_n:*:x64:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:ultimate_n:*:x86:*
  • OR cpe:/o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:*:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:*:sp1:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:*:sp2:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:microsoft:windows:server_2003:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows:server_2003:sp2:itanium:*:*:*:*:*
  • OR cpe:/o:microsoft:windows:server_2003:sp2:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp::sp2:x64:*:professional:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp1:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows:xp:sp3:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp2:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_7:-:-:*:*:ultimate_n:*:x64:*
  • OR cpe:/o:microsoft:windows_7:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:*:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:ultimate_n:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:12681
    V
    		Win32k Null Pointer De-reference Vulnerability (CVE-2011-1227)
    2014-03-03
    BACK
    microsoft windows 2003 server * sp2
    microsoft windows 7 -
    microsoft windows 7 - sp1
    microsoft windows 7 - sp1
    microsoft windows server 2003 * sp2
    microsoft windows server 2008 *
    microsoft windows server 2008 *
    microsoft windows server 2008 *
    microsoft windows server 2008 * sp2
    microsoft windows server 2008 * sp2
    microsoft windows server 2008 - sp2
    microsoft windows server 2008 r2
    microsoft windows server 2008 r2
    microsoft windows vista * sp1
    microsoft windows vista * sp1
    microsoft windows vista * sp2
    microsoft windows vista * sp2
    microsoft windows xp * sp3
    microsoft windows xp - sp2
    microsoft windows server_2003 sp2
    microsoft windows server_2003 sp2
    microsoft windows server_2003 sp2
    microsoft windows xp sp2
    microsoft windows vista - sp1
    microsoft windows vista - sp1
    microsoft windows server 2008 -
    microsoft windows server 2008 -
    microsoft windows server 2008 -
    microsoft windows xp sp3
    microsoft windows vista - sp2
    microsoft windows vista - sp2
    microsoft windows server 2008 sp2
    microsoft windows server 2008 sp2
    microsoft windows 7 -
    microsoft windows 7 -
    microsoft windows server 2008 - r2
    microsoft windows server 2008 r2
    microsoft windows server 2008
    microsoft windows 7 - sp1
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2008 r2 sp1