Vulnerability CVE-2009-2918
Published: 2009-08-21   Modified: 2012-02-13

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.

See advisories in our WLB2 database:
Topic
Author
Date
Low
TheGreenBow VPN Client tgbvpn.sys DoS and Potential Local
Evilcry
18.08.2009

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Thegreenbow -> Thegreenbow vpn client 

 References:
http://www.securityfocus.com/archive/1/505816/100/0/threaded
http://www.vupen.com/english/advisories/2009/2294
https://www.evilfingers.com/advisory/Advisory/TheGreenBow_VPN_Client_tgbvpn.sys_DoS.php
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