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2.1
CVSSv2

CVE-2009-4118

Published: 01/12/2009 Updated: 25/10/2012
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
VMScore: 215
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for Windows prior to 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.

Vulnerable Product Search on Vulmon Subscribe to Product

cisco vpn client 4.7.00.0000

cisco vpn client 4.8.00.0000

cisco vpn client 4.8.1

cisco vpn client 3.1

cisco vpn client 3.6.5

cisco vpn client 5.0.02.0090

cisco vpn client 3.5.2

cisco vpn client 3.0

cisco vpn client 3.0.5

cisco vpn client 4.8.01

cisco vpn client 4.8.02.0010

cisco vpn client 4.9

cisco vpn client 5.0.00.340

cisco vpn client 5.0.01

cisco vpn client 5.0.2.0090

cisco vpn client 4.8.00.0440

cisco vpn client 0490

cisco vpn client 5.0.01.0600

cisco vpn client 2.0

cisco vpn client 3.5.1c

cisco vpn client 3.5.1

Exploits

Exploit DB: Cisco VPN Client - Integer Overflow Denial of Service
/* Cisco VPN client version 50030560 Cisco VPN client Version 50040300 Cisco VPN client Version 50050290 Cisco VPN client Version 48020010 */ /* * Cisco VPN Client 0day Integer overflow (DOS) Proof Of Concept Code * * By Alex Hernandez aka alt3kx (c) November 2009 * * This POC is only for test If an application read a malformed ...

Github Repositories

https://github.com/alt3kx/CVE-2009-4118

Cisco VPN Client - Integer Overflow Denial of Service

CVE-2009-4118 Cisco VPN Client - Integer Overflow Denial of Service Exploit-DB publication at wwwexploit-dbcom/exploits/10190/ Cisco official Intelligence AlertID 19445 and Credits toolsciscocom/security/center/viewAlertx?alertId=19445 Author Alex Hernandez aka (@_alt3kx_)

References

NVD-CWE-Otherhttp://www.securityfocus.com/bid/37077http://secunia.com/advisories/37419http://tools.cisco.com/security/center/viewAlert.x?alertId=19445http://www.vupen.com/english/advisories/2009/3296http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txthttps://nvd.nist.govhttps://github.com/alt3kx/CVE-2009-4118https://www.exploit-db.com/exploits/10190/
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