Microsoft Windows 2000/XP TCP/IP Window Size denial of service

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.
5.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Microsoft Windows 2000/XP. This vulnerability affects unknown code of the component TCP/IP Window Size Handler. Performing a manipulation results in denial of service. This vulnerability is cataloged as CVE-2009-1926. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows 2000/XP (Operating System). It has been classified as problematic. This affects an unknown code of the component TCP/IP Window Size Handler. 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 summary by CVE is:

Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service (TCP outage) via a series of TCP sessions that have pending data and a (1) small or (2) zero receive window size, and remain in the FIN-WAIT-1 or FIN-WAIT-2 state indefinitely, aka "TCP/IP Orphaned Connections Vulnerability."

The issue has been introduced in 02/17/2000. The weakness was shared 09/08/2009 by Felix Lindner with Recurity Labs as MS09-048 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is uniquely identified as CVE-2009-1926 since 06/04/2009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 3491 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 40891 (MS09-048: Vulnerabilities in Windows TCP/IP Could Allow Remote Code Execution (967723)), 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 90525 (Microsoft Windows TCP/IP Remote Code Execution Vulnerabilities (Windows 2003, 2008, Vista) (MS09-048)).

Upgrading eliminates this vulnerability. Applying the patch MS09-048 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8249.

The vulnerability is also documented in the databases at X-Force (52128), Tenable (40891), SecurityFocus (BID 36269†), OSVDB (57797†) and Secunia (SA36597†). Further details are available at news.cnet.com. The entries VDB-4026, VDB-5755 and VDB-49866 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 40891
Nessus Name: MS09-048: Vulnerabilities in Windows TCP/IP Could Allow Remote Code Execution (967723)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 900838
OpenVAS Name: Microsoft Windows TCP/IP Remote Code Execution Vulnerability (967723)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: MS09-048
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

02/17/2000 🔍
06/04/2009 +3395 days 🔍
09/08/2009 +96 days 🔍
09/08/2009 +0 days 🔍
09/08/2009 +0 days 🔍
09/08/2009 +0 days 🔍
09/08/2009 +0 days 🔍
09/08/2009 +0 days 🔍
09/08/2009 +0 days 🔍
09/09/2009 +0 days 🔍
09/21/2009 +12 days 🔍
03/17/2021 +4195 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS09-048
Researcher: Felix Lindner
Organization: Recurity Labs
Status: Confirmed

CVE: CVE-2009-1926 (🔍)
GCVE (CVE): GCVE-0-2009-1926
GCVE (VulDB): GCVE-100-4029

OVAL: 🔍
IAVM: 🔍

X-Force: 52128
SecurityFocus: 36269 - Microsoft Windows TCP/IP Orphaned Connection Remote Denial of Service Vulnerability
Secunia: 36597 - Windows 2000 / XP TCP/IP Window Size Denial of Service Vulnerabilities, Less Critical
OSVDB: 57797 - Microsoft Windows TCP/IP Orphaned Connection Handling Remote DoS
Vulnerability Center: 23447 - [MS09-048] Microsoft Windows TCP/IP Orphaned Connections Remote DoS Vulnerability, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/21/2009 16:03
Updated: 03/17/2021 13:21
Changes: 09/21/2009 16:03 (93), 02/14/2017 16:28 (11), 03/17/2021 13:21 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!