CVE-2009-4118: Low severity cisco vpn client vulnerability

Published Dec 1, 2009
·
Updated

The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for Windows before 5.0.06.0100 does not properly handle an ERRORFAILEDSERVICECONTROLLERCONNECT error, which allows local users to cause a denial of service (service crash and VPN connection loss) via a manual start of cvpnd.exe while the cvpnd service is running.

Affected Software

21 affected components
Cisco VPN Client=2.0
Cisco VPN Client=3.0
Cisco VPN Client=3.0.5
Cisco VPN Client=3.1
Cisco VPN Client=3.5.1
Cisco VPN Client=3.5.1c
Cisco VPN Client=3.5.2
Cisco VPN Client=3.6.5-base
Cisco VPN Client=4.7.00.0000
Cisco VPN Client=4.8.00.0000
Cisco VPN Client=4.8.00.0440
Cisco VPN Client=4.8.1
Cisco VPN Client=4.8.01-base
Cisco VPN Client=4.8.02.0010-base
Cisco VPN Client=4.9-base
Cisco VPN Client=5.0.00.340-base
Cisco VPN Client=5.0.01
Cisco VPN Client=5.0.01.0600-base
Cisco VPN Client=5.0.2.0090
Cisco VPN Client=5.0.02.0090-base
Cisco VPN Client=0490-base

Event History

Dec 1, 2009
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2009-4118?

CVE-2009-4118 is classified as a denial of service vulnerability that can lead to service crashes and VPN connection loss.

2

How do I fix CVE-2009-4118?

To mitigate CVE-2009-4118, update your Cisco VPN client to version 5.0.06.0100 or later.

3

Which versions of Cisco VPN client are affected by CVE-2009-4118?

CVE-2009-4118 affects multiple versions of the Cisco VPN client including versions from 2.0 to 5.0.02.0090.

4

What type of attack is CVE-2009-4118?

CVE-2009-4118 allows local users to exploit the vulnerability to cause a denial of service.

5

Is there any public proof of concept for CVE-2009-4118?

There are no public proof of concepts reported for CVE-2009-4118, but the vulnerability can be exploited locally.

Company

Resources

Contact

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