CVE-2009-2918 json
The tgbvpn.sys driver in TheGreenBow IPSec VPN Client 4.61.003 allows local users to cause a denial of service (NULL pointer dereference an…
published 2009-08-21 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2906
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 1
- Exploit-DB
Summary
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.
Timeline
- First public exploit (EDB-9449)
- Published
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-9449 TheGreenBow VPN Client - 'tgbvpn.sys' Local Denial of Service dos, 2009-08-18
- evilfingers.com https://www.evilfingers.com/advisory/Advisory/TheGreenBow_VPN_Client_tgbvpn.sys_DoS.php referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
evilfingers.com
/advisory/Advisory/TheGreenBow_VPN_Client_tgbvpn.sys_DoS.php
exploit
-
secunia.com
/advisories/36332
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2009/2294
vdb-entry, vendor-advisory
-
securityfocus.com
/archive/1/505816/100/0/threaded
mailing-list
Sources
- CVE List CVE-2009-2918
- NVD CVE-2009-2918
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