Microsoft Windows Server 2003/XP TCP/IP IGMP memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows Server 2003/XP. It has been declared as critical. This issue affects some unknown processing of the component TCP/IP IGMP Handler. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2006-0021. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows Server 2003/XP (Operating System). It has been declared as critical. This vulnerability affects some unknown processing of the component TCP/IP IGMP Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

Microsoft Windows XP SP1 and SP2, and Server 2003 up to SP1, allows remote attackers to cause a denial of service (hang) via an IGMP packet with an invalid IP option, aka the "IGMP v3 DoS Vulnerability."

The weakness was published 02/14/2006 by Douglas Nascimento with Datacom as MS06-007 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability was named CVE-2006-0021 since 11/30/2005. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

After 2 months, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20907 (MS06-007: Vulnerability in TCP/IP Could Allow Denial of Service (913446)), 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 90300 (Vulnerability in Microsoft Windows TCP/IP Could Allow Denial of Service (MS06-007)).

Upgrading eliminates this vulnerability. Applying the patch MS06-007 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 immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12328.

The vulnerability is also documented in the databases at X-Force (24489), Exploit-DB (1599), Tenable (20907), SecurityFocus (BID 16645†) and OSVDB (23133†). Similar entries are available at VDB-2054, VDB-2051 and VDB-2049. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Support

  • end of life (old version)

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

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Current Price Estimation: 🔍

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Nessus ID: 20907
Nessus Name: MS06-007: Vulnerability in TCP/IP Could Allow Denial of Service (913446)
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: 🔍
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Exploit Delay Time: 🔍

Patch: MS06-007
TippingPoint: 🔍

McAfee IPS: 🔍
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ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/30/2005 🔍
02/14/2006 +76 days 🔍
02/14/2006 +0 days 🔍
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02/14/2006 +0 days 🔍
02/14/2006 +0 days 🔍
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02/15/2006 +0 days 🔍
02/16/2006 +1 days 🔍
03/21/2006 +33 days 🔍
06/25/2025 +7036 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS06-007
Researcher: Douglas Nascimento
Organization: Datacom
Status: Confirmed

CVE: CVE-2006-0021 (🔍)
GCVE (CVE): GCVE-0-2006-0021
GCVE (VulDB): GCVE-100-2050

OVAL: 🔍

CERT: 🔍
X-Force: 24489 - Microsoft Windows IGMP v3 denial of service, Medium Risk
SecurityFocus: 16645 - Microsoft Windows IGMPv3 Denial of Service Vulnerability
Secunia: 18853 - Microsoft Windows IGMP Denial of Service Vulnerability, Less Critical
OSVDB: 23133 - Microsoft Windows IGMPv3 Crafted Packet Remote DoS
SecurityTracker: 1015629
Vulnerability Center: 10343 - [MS06-007] DoS in Microsoft Windows XP and Windows Server 2003 via IGMP v3 Malformed Packets, High
Vupen: ADV-2006-0576

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

Entryinfo

Created: 02/16/2006 11:59
Updated: 06/25/2025 03:50
Changes: 02/16/2006 11:59 (107), 06/14/2019 09:14 (2), 06/19/2024 16:23 (22), 01/19/2025 19:19 (2), 06/25/2025 03:50 (2)
Complete: 🔍
Cache ID: 216:E78:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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