Vulnerability in Microsoft Windows 2000
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 of the shadow device, which results in a deadlock, aka the "SMB Invalid Handle Vulnerability."
EPSS: 0.017 (75.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Windows_2000
- Microsoft Windows_2003_server
- Microsoft Windows_xp
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK, Broken Link)
- secure@microsoft.com (Broken Link, x_refsource_OVAL, signature, Third Party Advisory, vdb-entry)
- secure@microsoft.com (Broken Link, x_refsource_OVAL, signature, Third Party Advisory, vdb-entry)
- secure@microsoft.com (Broken Link, x_refsource_OVAL, signature, Third Party Advisory, vdb-entry)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_XF)
- secure@microsoft.com (vdb-entry, Broken Link, x_refsource_VUPEN, Vendor Advisory)
- secure@microsoft.com (Broken Link, x_refsource_OVAL, signature, Third Party Advisory, vdb-entry)
- secure@microsoft.com (x_refsource_IDEFENSE, Not Applicable, third-party-advisory)
- secure@microsoft.com (Broken Link, x_refsource_OVAL, signature, Third Party Advisory, vdb-entry)
- secure@microsoft.com (x_refsource_MS, vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2006-2374?
- CVE-2006-2374 is a medium-severity vulnerability in Microsoft Windows 2000, classified under Improper Locking. CVSS score: 5.5/10. Published 2006-06-13.
- How severe is CVE-2006-2374?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2006-2374 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.