Microsoft Windows Kernel Exception access control

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Microsoft Windows. The impacted element is an unknown function of the component Kernel Exception Handler. The manipulation leads to access control. This vulnerability is documented as CVE-2011-2018. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows (Operating System) (version now known) and classified as critical. This issue affects some unknown processing of the component Kernel Exception Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The kernel in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, and Windows 7 Gold and SP1 does not properly initialize objects, which allows local users to gain privileges via a crafted application, aka "Windows Kernel Exception Handler Vulnerability."

The weakness was released 12/13/2011 by Matthew Jurczyk with iDefense as MS11-098 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2011-2018 since 05/09/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 57284 (MS11-098: Vulnerability in Windows Kernel Could Allow Elevation of Privilege (2633171)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90758 (Microsoft Windows Kernel Privilege Escalation Vulnerability (MS11-098)).

Upgrading eliminates this vulnerability. Applying the patch MS11-098 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (57284), SecurityFocus (BID 50969†) and Secunia (SA47204†). Entry connected to this vulnerability is available at VDB-4475. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 57284
Nessus Name: MS11-098: Vulnerability in Windows Kernel Could Allow Elevation of Privilege (2633171)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 902766
OpenVAS Name: Microsoft Windows Kernel Privilege Elevation Vulnerability (2633171)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS11-098

Timelineinfo

05/09/2011 🔍
12/13/2011 +218 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/13/2011 +0 days 🔍
12/19/2011 +6 days 🔍
01/12/2025 +4773 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-098
Researcher: Matthew Jurczyk
Organization: iDefense
Status: Confirmed

CVE: CVE-2011-2018 (🔍)
GCVE (CVE): GCVE-0-2011-2018
GCVE (VulDB): GCVE-100-4451

OVAL: 🔍

SecurityFocus: 50969 - Microsoft Windows Kernel Invalid Trap-Frame CVE-2011-2018 Local Privilege Escalation Vulnerability
Secunia: 47204 - Microsoft Windows Kernel Exception Handler Privilege Escalation, Less Critical

See also: 🔍

Entryinfo

Created: 12/19/2011 01:00
Updated: 01/12/2025 22:32
Changes: 12/19/2011 01:00 (81), 01/12/2025 22:32 (18)
Complete: 🔍
Cache ID: 216:C42:103

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