Privilege escalation in Cisco Hosted Collaboration

1) Privilege escalation

EUVDB-ID: #VU9387

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-12337

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The weakness exists in Cisco Voice Operating System (VOS) software platform device due to improper authentication when a refresh upgrade or Prime Collaboration Deployment (PCD) migration is performed. A remote attacker can gain root access to the device with a known password and compromise the affected system.

Mitigation

The vulnerability is addressed in the version 11.5(3.98000.4).

Vulnerable software versions

Cisco Hosted Collaboration: 8.6.1 - 11.5.3

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-vos

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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