Vulnerability identifier: #VU13408

Vulnerability risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0373

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Cisco AnyConnect Secure Mobility Client
Client/Desktop applications / Other client software

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists 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 due to improper validation of user-supplied data. A local attacker can send a malicious request to the application and cause the system to crash.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cisco AnyConnect Secure Mobility Client: 3.1.6019

---

External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-anyconnect-d...

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.