CVE-2007-5667

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-11-14 · updated 2026-06-16
Weakness: CWE-20

Description

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.

Affected products

Novell Client: 4.91-sp1, 4.91-sp2, 4.91-sp3, 4.91-sp4

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=626
http://osvdb.org/40867
http://secunia.com/advisories/27678
http://www.securityfocus.com/bid/26420
http://www.securitytracker.com/id?1018943
http://www.vupen.com/english/advisories/2007/3846
https://exchange.xforce.ibmcloud.com/vulnerabilities/38434
https://secure-support.novell.com/KanisaPlatform/Publishing/98/3260263_f.SAL_Public.html
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=626
http://osvdb.org/40867
http://secunia.com/advisories/27678
http://www.securityfocus.com/bid/26420

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