Microsoft Windows 7/Server 2003/Server 2008/Vista/XP Kernel Exception access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.5$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Microsoft Windows 7/Server 2003/Server 2008/Vista/XP (Operating System). This issue affects some unknown functionality 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 published 12/13/2011 by Matthew Jurczyk with iDefense Labs VCP 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 exploitation is known to be easy. Attacking locally is a requirement. A simple authentication is required for 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.

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.

Applying the patch KB2633171 is able to eliminate this problem. The bugfix is ready for download at support.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (57284). Similar entry is available at 4451.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

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: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: KB2633171

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 🔍
12/14/2011 +0 days 🔍
01/21/2012 +38 days 🔍
03/20/2021 +3346 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

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

CVE: CVE-2011-2018 (🔍)
OVAL: 🔍

Vulnerability Center: 34028 - [MS11-098] Microsoft Windows Kernel Local Privileges Escalation via a Crafted Application, High
SecurityFocus: 50969
Secunia: 47204 - Microsoft Windows Kernel Exception Handler Privilege Escalation, Less Critical
OSVDB: 77666

scip Labs: https://www.scip.ch/en/?labs.20140213
See also: 🔍

Entryinfo

Created: 01/21/2012 01:00
Updated: 03/20/2021 08:23
Changes: 01/21/2012 01:00 (48), 06/08/2017 12:06 (24), 03/20/2021 08:17 (7), 03/20/2021 08:23 (1)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!