Microsoft Windows 2000/Server 2003/XP XML Core Services memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Microsoft Windows 2000/Server 2003/XP. This issue affects some unknown processing of the component XML Core Services. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2006-5745. Furthermore, an exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability classified as very critical has been found in Microsoft Windows 2000/Server 2003/XP (Operating System). This affects some unknown functionality of the component XML Core Services. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in the setRequestHeader method in the XMLHTTP (XML HTTP) ActiveX Control 4.0 in Microsoft XML Core Services 4.0 on Windows, when accessed by Internet Explorer, allows remote attackers to execute arbitrary code via crafted arguments that lead to memory corruption, a different vulnerability than CVE-2006-4685. NOTE: some of these details are obtained from third party information.

The bug was discovered 11/03/2006. The weakness was published 11/04/2006 by Robert Freeman with Microsoft as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is uniquely identified as CVE-2006-5745 since 11/06/2006. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/26/2026).

After 4 days, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as attacked. The vulnerability was handled as a non-public zero-day exploit for at least 2452 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 23647 (MS06-071: Vulnerabilities in Microsoft XML Core Services Could Allow Remote Code Execution (928088)), 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 90361 (Microsoft XML Core Services Remote Code Execution Vulnerability (MS06-071)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 8728. In this case the pattern 8|00|8|00|d|00|9|00|6|00|9|00|c|00|5|00|-|00|f|00|1|00|9|00|2|00|-|00|1|00|1|00|d|00|4|00|-|00|a|00|6|00|5|00|f|00|-|00|0|00|0|00|4|00|0|00|9|00|6|00|3|00|2|00|5|00|1|00|e|00|5|00| is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4838.

The vulnerability is also documented in the databases at X-Force (30004), Exploit-DB (2743), Zero-Day.cz (122), Tenable (23647) and SecurityFocus (BID 20915†). Similar entry is available at VDB-2659. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 23647
Nessus Name: MS06-071: Vulnerabilities in Microsoft XML Core Services Could Allow Remote Code Execution (928088)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Saint ID: exploit_info/microsoft_xmlhttp_setrequestheader
Saint Name: Microsoft XMLHTTP ActiveX control setRequestHeader vulnerability

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ms06_071_xml_core.rb
MetaSploit Name: MS06-071 Microsoft Internet Explorer XML Core Services HTTP Request Handling
MetaSploit File: 🔍

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: microsoft.com

Snort ID: 8728
Snort Message: WEB-ACTIVEX XMLHTTP 4.0 ActiveX clsid unicode access
Snort Pattern: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

02/17/2000 🔍
11/03/2006 +2451 days 🔍
11/03/2006 +0 days 🔍
11/03/2006 +0 days 🔍
11/04/2006 +1 days 🔍
11/04/2006 +0 days 🔍
11/04/2006 +0 days 🔍
11/04/2006 +0 days 🔍
11/06/2006 +1 days 🔍
11/06/2006 +0 days 🔍
11/06/2006 +0 days 🔍
11/07/2006 +1 days 🔍
11/08/2006 +1 days 🔍
11/14/2006 +6 days 🔍
11/14/2006 +0 days 🔍
04/26/2026 +7103 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: microsoft.com
Researcher: Robert Freeman
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5745 (🔍)
GCVE (CVE): GCVE-0-2006-5745
GCVE (VulDB): GCVE-100-2655

OVAL: 🔍

CERT: 🔍
X-Force: 30004 - Microsoft XMLHTTP ActiveX control code execution, High Risk
SecurityFocus: 20915 - Microsoft XML Core Service XMLHTTP ActiveX Control Remote Code Execution Vulnerability
Secunia: 22687 - Microsoft XMLHTTP ActiveX Control Code Execution Vulnerability, Extremely Critical
OSVDB: 30208 - Microsoft XMLHTTP ActiveX Control setRequestHeader Method Arbitrary Code Execution
SecurityTracker: 1017157
Vulnerability Center: 13057 - [MS06-071] Microsoft XML Core Services 4.0 on Windows Remote Code Execution, Medium
Vupen: ADV-2006-4334

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

Entryinfo

Created: 11/06/2006 12:03
Updated: 04/26/2026 12:23
Changes: 11/06/2006 12:03 (122), 07/10/2019 16:08 (2), 07/21/2024 13:55 (23), 08/06/2024 21:05 (1), 01/05/2025 13:48 (1), 06/15/2025 17:19 (2), 04/26/2026 12:23 (2)
Complete: 🔍
Cache ID: 216::103

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

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