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CVE-2018-7066: Arubanetworks Clearpass Policy Manager: Command injection

CVE-2018-7066 is rated critical with a CVSS v3.0 base score of 9.0 and affects Arubanetworks Clearpass Policy Manager. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.

Vulnerability description

An unauthenticated remote command execution exists in Aruba ClearPass Policy Manager on linked devices. The ClearPass OnConnect feature permits administrators to link other network devices into ClearPass for the purpose of collecting enhanced information about connected endpoints. A defect in the API could allow a remote attacker to execute arbitrary commands on one of the linked devices. This vulnerability is only applicable if credentials for devices have been supplied to ClearPass under Configuration -> Network -> Devices -> CLI Settings. Resolution: Fixed in 6.7.5 and 6.6.10-hotfix.

Severity breakdown

CVSS v3.0 9.0: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: High. Success depends on conditions outside the attacker’s control.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Changed. Impact reaches beyond the vulnerable component to other resources.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Affected products

  • Arubanetworks Clearpass Policy Manager: before 6.6.10; from 6.7.0 before 6.7.5

References