CVE-2009-4118
Cisco VPN Service Denial of Service (DoS) Vulnerability
Description
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 ERROR_FAILED_SERVICE_CONTROLLER_CONNECT 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.
INFO
Published Date :
Dec. 1, 2009, 12:30 a.m.
Last Modified :
April 9, 2025, 12:30 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] |
Solution
- Upgrade to Cisco VPN Client version 5.0.06.0100 or later.
Public PoC/Exploit Available at Github
CVE-2009-4118 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2009-4118.
| URL | Resource |
|---|---|
| http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt | Exploit |
| http://secunia.com/advisories/37419 | Vendor Advisory |
| http://tools.cisco.com/security/center/viewAlert.x?alertId=19445 | Vendor Advisory |
| http://www.securityfocus.com/bid/37077 | Exploit |
| http://www.vupen.com/english/advisories/2009/3296 | Vendor Advisory |
| http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt | Exploit |
| http://secunia.com/advisories/37419 | Vendor Advisory |
| http://tools.cisco.com/security/center/viewAlert.x?alertId=19445 | Vendor Advisory |
| http://www.securityfocus.com/bid/37077 | Exploit |
| http://www.vupen.com/english/advisories/2009/3296 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2009-4118 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2009-4118
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
HTML CSS JavaScript
Cisco VPN Client - Integer Overflow Denial of Service
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2009-4118 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2009-4118 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt Added Reference http://secunia.com/advisories/37419 Added Reference http://tools.cisco.com/security/center/viewAlert.x?alertId=19445 Added Reference http://www.securityfocus.com/bid/37077 Added Reference http://www.vupen.com/english/advisories/2009/3296 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 01, 2009
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 2.1
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.28 }} -0.10%
score
0.50711
percentile