Microsoft Windows Server 2003/XP Web Client Service WebDav Request memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

A vulnerability was found in Microsoft Windows Server 2003/XP (Operating System). It has been rated as critical. This issue affects an unknown function of the component Web Client Service. The manipulation as part of a WebDav Request leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the Web Client service (WebClnt.dll) for Microsoft Windows XP SP1 and SP2, and Server 2003 up to SP1, allows remote authenticated users or Guests to execute arbitrary code via crafted RPC requests, a different vulnerability than CVE-2005-1207.

The weakness was released 02/14/2006 by Kostya Kortchinsky with EADS/CRC as MS06-008 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. The identification of this vulnerability is CVE-2006-0013 since 11/09/2005. The attack may be initiated remotely. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 20908 (MS06-008: Vulnerability in Web Client Service Could Allow Remote Code Execution (911927)), 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.

Applying the patch MS06-008 is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 8253. In this case the pattern |05 00 00| is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4154.

The vulnerability is also documented in the databases at X-Force (24491) and Tenable (20908). Entries connected to this vulnerability are available at 2054, 2050 and 2049.

Productinfo

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  • end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Nessus ID: 20908
Nessus Name: MS06-008: Vulnerability in Web Client Service Could Allow Remote Code Execution (911927)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
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Patch: MS06-008

Snort ID: 8253
Snort Message: NETBIOS DCERPC NCACN-IP-TCP webdav DavrCreateConnection username overflow attempt
Snort Pattern: 🔍
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Timelineinfo

11/09/2005 🔍
02/14/2006 +97 days 🔍
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02/15/2006 +0 days 🔍
02/16/2006 +1 days 🔍
06/14/2019 +4866 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS06-008
Researcher: Kostya Kortchinsky
Organization: EADS/CRC
Status: Confirmed

CVE: CVE-2006-0013 (🔍)
OVAL: 🔍

X-Force: 24491 - Microsoft Windows MSRPC WebClient service message buffer overflow, High Risk
SecurityTracker: 1015630
Vulnerability Center: 10344 - [MS06-008] Buffer Overflow in Microsoft Windows XP and Server 2003 WebClient Enables Code Execution, Medium
SecurityFocus: 16636 - Microsoft Windows Web Client Buffer Overflow Vulnerability
Secunia: 18857 - Microsoft Windows Web Client Service Vulnerability, Less Critical
OSVDB: 23134 - Microsoft Windows Web Client Service Crafted WebDAV Request Overflow
Vupen: ADV-2006-0577

See also: 🔍

Entryinfo

Created: 02/16/2006 12:05
Updated: 06/14/2019 09:17
Changes: 02/16/2006 12:05 (106), 06/14/2019 09:17 (2)
Complete: 🔍

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