SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle…

MEDIUM 5.5EPSS 1.75%

Does this matter?

Lower severity and a low EPSS score (1.75%). Track it; it rarely justifies an emergency change on its own.

Description

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) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the "SMB Invalid Handle Vulnerability."

CVSS 3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
1.75% probability · 77th percentile
CISA KEV
Not listed
Weakness
CWE-667
Affected
microsoft/windows 2000 · microsoft/windows 2003 server · microsoft/windows xp
Source
secure@microsoft.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.