Microsoft Windows SMB invalid handle denial of service
| win-smb-dos (26830) |  Low Risk |
Description:
Microsoft Windows is vulnerable to a denial of service, caused by errors in the Microsoft Client Side Caching (CSCDLL.DLL) and Microsoft Server Message Block Redirector Driver (MRXSMB.SYS) files. A local attacker could exploit this vulnerability to cause the system to stop responding.
Platforms Affected:
- Microsoft, Windows 2000 SP4
- Microsoft, Windows 2003
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server Itanium
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows 2003 Server SP1
- Microsoft, Windows XP Professional x64
- Microsoft, Windows XP SP1
- Microsoft, Windows XP SP2
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 The original bulletin issued by Microsoft has been superseded.
Consequences:
Denial of Service
References:
- iDefense Advisory: 06.13.06, Windows MRXSMB.SYS MrxSmbCscIoctlCloseForCopyChunk DoS at http://www.idefense.com/intelligence/vulnerabilities/display.php?id=409.
- Microsoft Security Bulletin MS06-030, Vulnerability in Server Message Block Could Allow Elevation of Privilege (914389) at http://www.microsoft.com/technet/security/Bulletin/MS06-030.mspx.
- Microsoft Security Bulletin MS08-068, Vulnerability in SMB Could Allow Remote Code Execution (957097) at http://www.microsoft.com/technet/security/bulletin/ms08-068.mspx.
- ASA-2006-126: Windows Security Updates for June 2006 - (MS06-021 - MS06-032)
- BID-18357: Microsoft SMB Driver Local Denial Of Service Vulnerability
- CVE-2006-2374: The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) via by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the SMB Invalid Handle Vulnerability.
- OSVDB ID: 26439: Microsoft Windows SMB MRXSMB.SYS MrxSmbCscIoctlCloseForCopyChunk Remote DoS
- SA20635: Windows SMB Denial of Service and Privilege Escalation
- SECTRACK ID: 1016288: Windows Server Message Block Processing Bugs Let Local Users Gain Elevated Privileges or Deny Service
- VUPEN/ADV-2006-2327: Microsoft Windows SMB Privilege Escalation and DoS Vulnerabilities (MS06-030)
Reported:
Jun 13, 2006
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