{"id":"CVE-2009-2918","aliases":["EUVD-2009-2906","GHSA-h4gg-hxcg-84h7"],"status":"published","title":"The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a...","description":"The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted request to the 0x80000034 IOCTL, probably involving an input or output buffer size of 0.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00854,"percentile":0.5857,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2009-08-21T10:00:00Z","modified":"2026-06-16T23:10:30Z","exploits":[{"source":"exploitdb","id":"EDB-9449","title":"TheGreenBow VPN Client - 'tgbvpn.sys' Local Denial of Service","type":"dos","platform":"windows","date":"2009-08-18","verified":true,"url":"https://www.exploit-db.com/exploits/9449"}],"products":[{"vendor":"thegreenbow","product":"thegreenbow_vpn_client"}],"references":[{"url":"https://www.evilfingers.com/advisory/Advisory/TheGreenBow_VPN_Client_tgbvpn.sys_DoS.php","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://secunia.com/advisories/36332","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/archive/1/505816/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2009/2294","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2918"},{"url":"https://github.com/advisories/GHSA-h4gg-hxcg-84h7"}],"sources":{"cve":[{"id":"CVE-2009-2918","description":"The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted request to the 0x80000034 IOCTL, probably involving an input or output buffer size of 0.","status":"published","published":"2009-08-21T10:00:00Z","modified":"2024-08-07T06:07:37.407Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2906","description":"The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted request to the 0x80000034 IOCTL, probably involving an input or output buffer size of 0.","status":"published","published":"2009-08-21T10:00:00Z","modified":"2024-08-07T06:07:37Z","updated_at":"2026-11-03T01:39:15.535048Z"}],"ghsa":[{"id":"GHSA-h4gg-hxcg-84h7","title":"The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a...","description":"The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted request to the 0x80000034 IOCTL, probably involving an input or output buffer size of 0.","status":"published","published":"2022-05-02T03:39:57Z","modified":"2023-01-31T05:07:40Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:49:15.572722Z"}],"nvd":[{"id":"CVE-2009-2918","description":"The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted request to the 0x80000034 IOCTL, probably involving an input or output buffer size of 0.","status":"published","published":"2009-08-21T11:30:00.297Z","modified":"2026-06-16T23:10:30.1Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:36.596719Z"}]}}