Microsoft Windows up to XP Kernel Mode Driver win32k.sys Object Memory memory corruption

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.
4.8$0-$5k0.00

A vulnerability classified as problematic has been found in Microsoft Windows up to XP (Operating System). Affected is an unknown code block of the file win32k.sys of the component Kernel Mode Driver Handler. The manipulation as part of a Object leads to a memory corruption vulnerability (Memory). CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality. CVE summarizes:

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 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows local users to obtain sensitive information from kernel memory or cause a denial of service (system hang) via a crafted application, aka "Win32k Information Disclosure Vulnerability."

The weakness was presented 03/11/2014 by Alexander Chizhov as MS14-015 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. The public release was coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2014-0323 since 12/03/2013. The exploitability is told to be easy. The attack needs to be approached locally. The requirement for exploitation is a authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 72934 (MS14-015: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (2930275)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90945 (Microsoft Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability (MS14-015)).

Applying the patch MS14-015 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (91361) and Tenable (72934). Further details are available at zdnet.com. See 12526, 12527, 12529 and 12530 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Memory corruption / Memory
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 72934
Nessus Name: MS14-015: Vulnerabilities in Windows Kernel-Mode Driver Could Allow Elevation of Privilege (2930275)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 804409
OpenVAS Name: Microsoft Windows Kernel Privilege Escalation Vulnerabilities (2930275)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS14-015

Timelineinfo

12/03/2013 🔍
03/11/2014 +98 days 🔍
03/11/2014 +0 days 🔍
03/11/2014 +0 days 🔍
03/11/2014 +0 days 🔍
03/12/2014 +1 days 🔍
03/12/2014 +0 days 🔍
03/12/2014 +0 days 🔍
06/15/2021 +2652 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS14-015
Researcher: Alexander Chizhov
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2014-0323 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 91361 - Microsoft kernel mode driver (win32k.sys) information disclosure, Medium Risk
Vulnerability Center: 43580 - [MS14-015] Microsoft Windows Kernel-Mode Driver Local Information Disclosure Vulnerability - CVE-2014-0323, Medium
SecurityFocus: 66007 - Microsoft Windows Kernel 'Win32k.sys' CVE-2014-0323 Local Information Disclosure Vulnerability

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

Entryinfo

Created: 03/12/2014 14:42
Updated: 06/15/2021 11:40
Changes: 03/12/2014 14:42 (83), 04/07/2017 15:12 (6), 06/15/2021 11:40 (3)
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!