Security restrictions bypass in Cisco AnyConnect Secure Mobility Client

1) Security restrictions bypass

EUVDB-ID: #VU8710

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12268

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local attacker to enable multiple network adapters.

The weakness exists in the Network Access Manager (NAM) of Cisco AnyConnect Secure Mobility Client due to insufficient NAM policy enforcement. A local attacker can bypass security restrictions, enable multiple active network adapters and cause traffic to be sent via an unauthorized network interface.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Cisco AnyConnect Secure Mobility Client: 4.5.822

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171004-anam

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.