Microsoft Windows XP Keyboard Layout win32k.sys denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microsoft Windows XP and classified as problematic. Affected by this vulnerability is an unknown functionality of the file win32k.sys of the component Keyboard Layout. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows XP (Operating System). This affects an unknown part of the file win32k.sys of the component Keyboard Layout. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was published 11/22/2011 by instruder with Alibaba Security Research Team as EDB-ID 18140 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. It is possible to initiate the attack remotely. Technical details and a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

A public exploit has been developed by instruder and been published immediately after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at exploit-db.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Exploit-DB (18140) and Secunia (SA46919†). Similar entries are available at VDB-4458, VDB-4451 and VDB-4452. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life (old version)

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: instruder
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: exploit-db.com

Timelineinfo

11/22/2011 🔍
11/22/2011 +0 days 🔍
11/22/2011 +0 days 🔍
12/19/2011 +27 days 🔍
10/16/2017 +2128 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: EDB-ID 18140
Researcher: instruder
Organization: Alibaba Security Research Team
Status: Not defined

GCVE (VulDB): GCVE-100-4455
Secunia: 46919 - Microsoft Windows win32k.sys Driver Keyboard Layout Denial of Service, Not Critical

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/19/2011 01:00
Updated: 10/16/2017 14:06
Changes: 12/19/2011 01:00 (56), 10/16/2017 14:06 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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