cisco-sa-20180620-anyconnect-dos: Cisco AnyConnect Secure Mobility Client for Windows Desktop Denial of Service Vulnerability
First published: Wed Jun 20 2018(Updated: )
A vulnerability in vpnva-6.sys for 32-bit Windows and vpnva64-6.sys for 64-bit Windows of Cisco AnyConnect Secure Mobility Client for Windows Desktop could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to improper validation of user-supplied data. An attacker could exploit this vulnerability by sending a malicious request to the application. A successful exploit could allow the attacker to cause a DoS condition on the affected system. There are no workarounds that address this vulnerability.
Credit: This vulnerability was discovered by Cesar Cerrudo IOActiveIlja van Sprundel IOActive IOActiveEnrique Nissim IOActiveGert Doering at OpenVPN.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco AnyConnect Secure |
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Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-20180620-anyconnect-dos?
The severity of cisco-sa-20180620-anyconnect-dos is classified as medium.
How do I fix cisco-sa-20180620-anyconnect-dos?
To fix cisco-sa-20180620-anyconnect-dos, update your Cisco AnyConnect Secure Mobility Client to the latest version.
Who is impacted by cisco-sa-20180620-anyconnect-dos?
Users of Cisco AnyConnect Secure Mobility Client on 32-bit and 64-bit Windows systems are impacted by cisco-sa-20180620-anyconnect-dos.
What do I need to mitigate cisco-sa-20180620-anyconnect-dos?
To mitigate cisco-sa-20180620-anyconnect-dos, ensure that local system access is restricted to authorized personnel.
Can cisco-sa-20180620-anyconnect-dos be exploited remotely?
No, cisco-sa-20180620-anyconnect-dos can only be exploited by an authenticated, local attacker.
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