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CVE-2009-2918

LowPublished

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)...

Published: Aug 21, 2009
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Aug 18, 2009

Primary CVSS

2.1/ 10Low

nvd · CVSS 2.0

AV:L/AC:L/Au:N/C:N/I:N/A:P

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 56.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

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.

Sources

TheGreenBow VPN Client - 'tgbvpn.sys' Local Denial of ServiceExploit
Evilcry · windows · Aug 18, 2009

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