Vulnerability Monitor

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CVE-2007-5667

NWFILTER.SYS in Novell Client 4.91 SP 1 through SP 4 for Windows 2000, XP, and Server 2003 makes the \.\nwfilter device available for arbitrary user-mode input via METHOD_NEITHER IOCTLs, which allows local users to gain privileges by passing a kernel address as an argument and overwriting kernel memory locations.

Security Impact Summary

CVE-2007-5667 is a security vulnerability that . Impacting 5 products from microsoft, from microsoft, from microsoft and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2007, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2007-11-14T01:46:00.000

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microsoft	windows_2000	*	No
Operating System	microsoft	windows_2000	*	No
Operating System	microsoft	windows_2000	*	No
Operating System	microsoft	windows_2000	*	No
Operating System	microsoft	windows_2000	*	No
Operating System	microsoft	windows_2000	-	No
Operating System	microsoft	windows_2003_server	*	No
Operating System	microsoft	windows_2003_server	*	No
Operating System	microsoft	windows_2003_server	*	No
Operating System	microsoft	windows_2003_server	*	No
Operating System	microsoft	windows_2003_server	*	No
Operating System	microsoft	windows_2003_server	*	No
Operating System	microsoft	windows_2003_server	-	No
Operating System	microsoft	windows_server_2003	*	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	*	No
Operating System	microsoft	windows_xp	-	No
Application	novell	client	4.91	Yes
Application	novell	client	4.91	Yes
Application	novell	client	4.91	Yes
Application	novell	client	4.91	Yes

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=626 ([email protected])
http://osvdb.org/40867 ([email protected])
http://secunia.com/advisories/27678 Patch, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/26420 ([email protected])
http://www.securitytracker.com/id?1018943 ([email protected])
http://www.vupen.com/english/advisories/2007/3846 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/38434 ([email protected])
https://secure-support.novell.com/KanisaPlatform/Publishing/98/3260263_f.SAL_Public.html Patch ([email protected])
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=626 (af854a3a-2127-422b-91ae-364da2661108)
http://osvdb.org/40867 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/27678 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/26420 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1018943 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2007/3846 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/38434 (af854a3a-2127-422b-91ae-364da2661108)
https://secure-support.novell.com/KanisaPlatform/Publishing/98/3260263_f.SAL_Public.html Patch (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.