Microsoft Windows input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Microsoft Windows. The affected element is an unknown function. The manipulation leads to input validation. This vulnerability is documented as CVE-2009-2516. The attack needs to be performed locally. 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. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The kernel in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold and SP1, and Server 2008 Gold does not properly validate data sent from user mode, which allows local users to gain privileges via a crafted PE .exe file that triggers a NULL pointer dereference during chain traversal, aka "Windows Kernel NULL Pointer Dereference Vulnerability."

The weakness was released 10/14/2009 (Website). The advisory is shared at us-cert.gov. The identification of this vulnerability is CVE-2009-2516. An attack has to be approached locally. Required for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 42114 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90550 (Microsoft Windows Kernel Privilege Escalation Vulnerability (MS09-058)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (53546), Tenable (42114), SecurityFocus (BID 36624†) and Vulnerability Center (SBV-23741†). Entries connected to this vulnerability are available at VDB-50451, VDB-50449, VDB-50448 and VDB-50447. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

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

CNA Base Score: 7.1
CNA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 42114
Nessus File: 🔍
Nessus Risk: 🔍

OpenVAS ID: 900963
OpenVAS Name: Microsoft Windows Kernel Privilege Escalation Vulnerability (971486)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/17/2009 🔍
10/13/2009 +88 days 🔍
10/14/2009 +1 days 🔍
10/14/2009 +0 days 🔍
10/14/2009 +0 days 🔍
03/18/2015 +1981 days 🔍
03/30/2025 +3665 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: us-cert.gov
Status: Confirmed

CVE: CVE-2009-2516 (🔍)
GCVE (CVE): GCVE-0-2009-2516
GCVE (VulDB): GCVE-100-50441

OVAL: 🔍

X-Force: 53546
SecurityFocus: 36624
Vulnerability Center: 23741 - [MS09-058] Microsoft Windows Kernel NULL Pointer Dereference Local Privilege Escalation, High

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 03/30/2025 04:40
Changes: 03/18/2015 15:15 (38), 04/07/2017 16:03 (17), 08/23/2021 20:24 (2), 08/23/2021 20:31 (7), 08/23/2021 20:39 (1), 01/21/2025 18:47 (28), 03/30/2025 04:40 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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