Privilege escalation in Cisco Policy Suite

1) Privilege escalation

EUVDB-ID: #VU7978

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6781

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

Exploit availability: No

Description

The vulnerability allows a local, authenticated attacker to gain elevated privileges on the target system.

The weakness exists in the management of shell user accounts for Cisco Policy Suite (CPS) Software for CPS appliances due to incorrect role-based access control (RBAC) for shell user accounts. A local attacker can authenticate to an affected appliance and provide a specially crafted data via the CLI to gain elevated privileges.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Policy Suite: 9.0.0 - 12.0.0

CPE2.3

• cpe:2.3:a:cisco_systems:policy_suite:9.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:policy_suite:9.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco_systems:policy_suite:12.0.0:*:*:*:*:*:*:*

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-cps

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.