Vulnerability CVE-2012-2527 - CERT Civis.Net

Vulnerability Name:

CVE-2012-2527 (CCN-77349)

Assigned:

2012-08-14

Published:

2012-08-14

Updated:

2020-09-28

Summary:

Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application, aka "Win32k Use After Free Vulnerability."

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:

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2012-2527

Source: CCN
Type: SA50236
Microsoft Windows Kernel-Mode Drivers Privilege Escalation

Source: CCN
Type: Microsoft Security Bulletin MS12-055
Vulnerability in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2731847)

Source: CCN
Type: Microsoft Security Bulletin MS12-075
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2761226)

Source: CCN
Type: Microsoft Security Bulletin MS12-078
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2783534)

Source: CCN
Type: Microsoft Security Bulletin MS13-005
Vulnerability in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (2778930)

Source: CCN
Type: Microsoft Security Bulletin MS13-016
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Elevation of Privilege (2778344)

Source: CCN
Type: Microsoft Security Bulletin MS13-036
Vulnerabilities in Kernel-Mode Driver Could Allow Elevation Of Privilege (2829996)

Source: CCN
Type: Microsoft Security Bulletin MS13-046
Vulnerabilities in Kernel-Mode Drivers Could Allow Elevation Of Privilege (2840221)

Source: CCN
Type: Microsoft Security Bulletin MS13-053
Vulnerability in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2850851)

Source: CCN
Type: Microsoft Security Bulletin MS13-076
Vulnerabilities in Kernel-Mode Drivers Could Allow Elevation of Privilege (2880407)

Source: CCN
Type: Microsoft Security Bulletin MS13-081
Vulnerabilities in Windows Kernel-Mode Drivers Could Allow Remote Code Execution (2870008)

Source: CCN
Type: BID-54873
Microsoft Windows CVE-2012-2527 Local Privilege Escalation Vulnerability

Source: CERT
Type: Third Party Advisory, US Government Resource
TA12-227A

Source: MS
Type: UNKNOWN
MS12-055

Source: XF
Type: UNKNOWN
ms-win-memory-privilege-esc(77349)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:15706

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows_7:*:*:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_7:*:*:x86:*:*:*:*:*

OR cpe:/o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_7:*:sp1:x86:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2008:*:*:*:*:*:*:x32:*

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_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:-:*:*:*:*:*: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 ID	Class	Title	Last Modified
oval:org.mitre.oval:def:15706	V	Win32k Use After Free Vulnerability - MS12-055	2013-05-06