Microsoft Windows 2000/XP Network Connectivity netman.dll denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Microsoft Windows 2000/XP. The affected element is an unknown function in the library netman.dll of the component Network Connectivity Handler. Performing a manipulation results in denial of service. This vulnerability was named CVE-2005-2307. The attack needs to be approached within the local network. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Microsoft Windows 2000/XP (Operating System). This affects some unknown processing in the library netman.dll of the component Network Connectivity 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:

netman.dll in Microsoft Windows Connections Manager Library allows local users to cause a denial of service (Network Connections Service crash) via a large integer argument to a particular function, aka "Network Connection Manager Vulnerability."

The bug was discovered 07/14/2005. The weakness was presented 07/14/2005 by bkbll as MS05-045 (Website). It is possible to read the advisory at support.avaya.com. This vulnerability is uniquely identified as CVE-2005-2307 since 07/19/2005. Access to the local network is required for this attack to succeed. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

After immediately, there has been an exploit disclosed. The exploit is shared for download at frsirt.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1974 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 19998 (MS05-045: Vulnerability in Network Connection Manager Could Allow Denial of Service (905414)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90281 (Microsoft Network Connection Manager Denial of Service Vulnerability (MS05-045)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (21355), Exploit-DB (1104), Tenable (19998), SecurityFocus (BID 14260†) and OSVDB (17885†). See VDB-1702, VDB-1789, VDB-1793 and VDB-1792 for similar entries. 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: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 19998
Nessus Name: MS05-045: Vulnerability in Network Connection Manager Could Allow Denial of Service (905414)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: windowsupdate.microsoft.com

Timelineinfo

02/17/2000 🔍
07/14/2005 +1974 days 🔍
07/14/2005 +0 days 🔍
07/14/2005 +0 days 🔍
07/14/2005 +0 days 🔍
07/14/2005 +0 days 🔍
07/14/2005 +0 days 🔍
07/14/2005 +0 days 🔍
07/15/2005 +0 days 🔍
07/19/2005 +4 days 🔍
07/19/2005 +0 days 🔍
10/11/2005 +84 days 🔍
10/11/2005 +0 days 🔍
10/11/2005 +0 days 🔍
10/16/2005 +5 days 🔍
06/30/2025 +7197 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS05-045
Researcher: bkbll
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2307 (🔍)
GCVE (CVE): GCVE-0-2005-2307
GCVE (VulDB): GCVE-100-1623

OVAL: 🔍

X-Force: 21355
SecurityFocus: 14260 - Microsoft Windows Network Connections Manager Library Local Denial of Service Vulnerability
Secunia: 16065 - Microsoft Windows Network Connections Service Denial of Service, Not Critical
OSVDB: 17885 - Microsoft Windows Network Connections Service netman.dll Remote DoS
SecurityTracker: 1015043
Vulnerability Center: 9406 - [MS05-045] Windows NCM Remote Denial of Service via Buffer Overflow, Medium

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

Entryinfo

Created: 07/15/2005 16:18
Updated: 06/30/2025 05:59
Changes: 07/15/2005 16:18 (94), 07/03/2019 16:40 (8), 06/30/2025 05:59 (17)
Complete: 🔍
Cache ID: 216:36B:103

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

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