#VU7978 Privilege escalation in Policy Suite - CVE-2017-6781

Vulnerability identifier: #VU7978

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-6781

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Policy Suite
Client/Desktop applications / File managers, FTP clients

Vendor: Cisco Systems, Inc

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

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-cps

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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.