{"id":"CVE-2007-5667","aliases":["EUVD-2007-5639","GHSA-c6gm-3h36-cg93"],"status":"published","title":"NWFILTER.SYS in Novell Client 4.91 SP 1 through SP 4 for Windows 2000, XP, and Server 2003 makes...","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.","severity":{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00366,"percentile":0.30654,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2007-11-14T01:00:00Z","modified":"2026-06-16T22:46:36Z","products":[{"vendor":"novell","product":"client"}],"references":[{"url":"http://secunia.com/advisories/27678","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/38434","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securitytracker.com/id?1018943","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://secure-support.novell.com/KanisaPlatform/Publishing/98/3260263_f.SAL_Public.html","tags":["x_refsource_CONFIRM","x_transferred","Patch"]},{"url":"http://www.vupen.com/english/advisories/2007/3846","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://www.securityfocus.com/bid/26420","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://osvdb.org/40867","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=626","tags":["third-party-advisory","x_refsource_IDEFENSE","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5667"},{"url":"https://github.com/advisories/GHSA-c6gm-3h36-cg93"}],"sources":{"cve":[{"id":"CVE-2007-5667","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.","status":"published","published":"2007-11-14T01:00:00Z","modified":"2024-08-07T15:39:13.709Z","updated_at":"2026-11-02T13:32:11.910312Z"}],"euvd":[{"id":"EUVD-2007-5639","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.","status":"published","published":"2007-11-14T01:00:00Z","modified":"2024-08-07T15:39:13Z","updated_at":"2026-11-03T01:16:16.183984Z"}],"ghsa":[{"id":"GHSA-c6gm-3h36-cg93","title":"NWFILTER.SYS in Novell Client 4.91 SP 1 through SP 4 for Windows 2000, XP, and Server 2003 makes...","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.","status":"published","published":"2022-05-01T18:35:42Z","modified":"2023-01-31T05:05:07Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:48:47.703585Z"}],"nvd":[{"id":"CVE-2007-5667","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.","status":"published","published":"2007-11-14T01:46:00Z","modified":"2026-06-16T22:46:36.337Z","cvss":[{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:23.208914Z"}]}}