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Vulnerability:Win/SMB.Rename.RCE!CVE-2008-4038

Severity rating
Important

Class/Type
Vulnerability

Discovered date
2008-10-14T00:00:00

Attack vector
Remote

Authentication required
No

Public exploits available
Yes

Signature detection
Medium



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Description

A remote code execution vulnerability exists in the way that Microsoft Server Message Block (SMB) Protocol handles specially crafted file names. An attempt to exploit the vulnerability would require authentication because the vulnerable function is only reachable when the share type is a disk, and by default, all disk shares require authentication. An attacker who successfully exploited this vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights.



Impact

An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.



Technical details (analysis)

Microsoft Server Message Block (SMB) Protocol is a Microsoft network file sharing protocol used in Microsoft Windows.The vulnerability is caused by insufficient validation of specially crafted file names by the Microsoft Server Message Block (SMB) Protocol.An attacker on a malicious client could exploit this vulnerability by sending specially crafted packets to a server. In order to exploit this vulnerability, an attacker must have the target host's IP address, NetBIOS computer name, and Port number in order to send the malicious traffic.



Affected software

Microsoft Windows 2000 Service Pack 4
Windows XP Service Pack 2
Windows XP Service Pack 3
Windows XP Professional x64 Edition
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 1
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP1 for Itanium-based Systems
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Vista and Windows Vista Service Pack 1
Windows Vista x64 Edition and Windows Vista x64 Edition Service Pack 1
Windows Server 2008 for 32-bit Systems
Windows Server 2008 for x64-based Systems
Windows Server 2008 for Itanium-based Systems



Non-affected software

All applications not on the affected list.



References




Solutions




NIS signature

Name: Vulnerability:Win/SMB.Rename.RCE!CVE-2008-4038
Release Date: 2008-10-14T00:00:00



Known false positives

No known false positives at this time.



Work-arounds

Microsoft has not identified any workarounds for this vulnerability.