Home/CVE/The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 an
CVE

CVE-2006-2374

The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 an

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.".

MEDIUM · CVSS 5.5 EPSS 0.00562
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-667Improper Locking
▤

Affected Products & Versions

3
microsoft windows 2000all versions
microsoft windows 2003 serverall versions
microsoft windows xpall versions
⚠

Public Exploits & PoCs

3
localMicrosoft Windows XP/2000 - 'Mrxsmb.sys' Local Privilege Escalation (MS06-030)verified
dosMicrosoft SMB Driver - Local Denial of Serviceverified
pocwww.securityfocus.com · 18357www.securityfocus.com
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jun 2006 · 07:06 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

13
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/20635Broken LinkThird Party Advisory
http://securitytracker.com/id?1016288Broken LinkThird Party AdvisoryVDB Entry
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=409Not Applicable
http://www.osvdb.org/26439Broken Link
http://www.vupen.com/english/advisories/2006/2327Broken LinkVendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-030PatchVendor Advisory
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