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.
6.8	$0-$5k	0.00

A vulnerability was found in Microsoft Windows (Operating System) (version now known). It has been rated as critical. Affected by this issue is the function ntraiseharderror of the file csrss.exe of the component Subsystem. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is confidentiality, and availability. CVE summarizes:

The Client Server Run-Time Subsystem (CSRSS) in Microsoft Windows allows local users to cause a denial of service (crash) or read arbitrary memory from csrss.exe via crafted arguments to the NtRaiseHardError function with status 0x50000018, a different vulnerability than CVE-2006-6696.

The weakness was disclosed 12/28/2006 (Website). The advisory is available at us-cert.gov. This vulnerability is handled as CVE-2006-6797. The exploitation is known to be easy. Local access is required to approach this attack. Required for exploitation is a simple authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 25024 (MS07-021: Vulnerabilities in CSRSS Could Allow Remote Code Execution (930178)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins.

Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5273.

The vulnerability is also documented in the databases at X-Force (31176) and Tenable (25024). The entries 2788 and 3006 are pretty similar.

Productinfo

Type

• Operating System

Vendor

• Microsoft

Name

• Windows

License

• commercial

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 25024
Nessus Name: MS07-021: Vulnerabilities in CSRSS Could Allow Remote Code Execution (930178)
Nessus File: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

Timelineinfo

12/28/2006 🔍
12/28/2006 +0 days 🔍
12/28/2006 +0 days 🔍
12/31/2006 +3 days 🔍
03/12/2015 +2993 days 🔍
04/07/2017 +757 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: us-cert.gov
Status: Not defined

CVE: CVE-2006-6797 (🔍)
OVAL: 🔍

X-Force: 31176
Vulnerability Center: 13728 - [MS07-021] Microsoft Windows CSRSS Local Denial of Service or Arbitrary Memory Read, Medium

See also: 🔍

Entryinfo

Created: 03/12/2015 22:21
Updated: 04/07/2017 16:03
Changes: 03/12/2015 22:21 (41), 04/07/2017 16:03 (15)
Complete: 🔍

Discussion

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