Microsoft Windows SMB file name buffer underflow
| win-smb-filename-bu (45560) |  High Risk |
Description:
Microsoft Windows is vulnerable to a buffer underflow, caused by improper validation of file names by the Microsoft Server Message Block (SMB) protocol. By sending specially-crafted packets to a vulnerable server, a remote authenticated attacker could exploit this vulnerability to execute arbitrary code on the system with elevated privileges.
Platforms Affected:
- Microsoft, Windows Server 2008 32-bit
- Microsoft, Windows Server 2008 Itanium
- Microsoft, Windows Server 2008 x64
- Microsoft, Windows Vista x64
- Microsoft, Windows Vista SP1
- Microsoft, Windows Vista SP1 x64
- Microsoft, Windows 2000 SP4
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server SP1
- Microsoft, Windows 2003 Server SP2
- Microsoft, Windows 2003 Server SP2 Itanium
- Microsoft, Windows 2003 Server SP2 x64
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows Vista
- Microsoft, Windows XP SP2 Professional x64
- Microsoft, Windows XP Professional x64
- Microsoft, Windows XP SP2
- Microsoft, Windows XP SP3
Remedy:
Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.
— OR —
Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superceded.
Consequences:
Gain Privileges
References:
- Microsoft Security Bulletin MS08-063, Vulnerability in SMB Could Allow Remote Code Execution (957095) at http://www.microsoft.com/technet/security/Bulletin/MS08-063.mspx.
- Microsoft Security Bulletin MS09-001, Vulnerabilities in SMB Could Allow Remote Code Execution (958687) at http://www.microsoft.com/technet/security/bulletin/ms09-001.mspx.
- ASA-2008-416: MS08-063 Vulnerability in SMB Could Allow Remote Code Execution (957095)
- BID-31647: Microsoft Windows SMB Buffer Underflow Code Execution Vulnerability
- CVE-2008-4038: Buffer underflow in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to execute arbitrary code via a Server Message Block (SMB) request that contains a filename with a crafted length, aka SMB Buffer Underflow Vulnerability.
- SA32249: Microsoft Windows SMB Buffer Underflow Vulnerability
- SECTRACK ID: 1021049: Windows Server Message Block Buffer Underflow Lets Remote Authenticated Users Execute Arbitrary Code
- VUPEN/ADV-2008-2814: Microsoft Windows SMB Code Execution Vulnerability (MS08-063)
Reported:
Oct 14, 2008
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