CVE-2018-0373 Denial of service in Cisco AnyConnect Secure Mobility Client unknown
A local authenticated attacker can cause a denial of service on Windows systems running Cisco AnyConnect Secure Mobility Client by sending a malicious request.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0373?
CVE-2018-0373 is a medium-severity denial of service vulnerability in Cisco Anyconnect Secure Mobility Client, published on 21 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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. Cisco Bug IDs: CSCvj47654.
Weakness: CWE-20
Which versions are affected by CVE-2018-0373?
It affects 1 product.
Products include Cisco Anyconnect Secure Mobility Client.
How do I fix CVE-2018-0373?
No fix has been published for CVE-2018-0373 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-0373 being exploited?
There is no known exploitation of CVE-2018-0373 in the wild and no public exploit code.
Other vulnerabilities in Cisco Anyconnect Secure Mobility Client
Sources
Also known as GHSA-c67c-4f8w-x4cx.