Symptom
A vulnerability in the management console of Cisco Firepower System Software could allow an unauthenticated, remote attacker to access sensitive
data about the system.
The vulnerability is due to improper cross-origin domain protections for Websocket protocol. An attacker could exploit this vulnerability by
convincing a user to visit a malicious website designed to send requests to the affected application while the user is logged into the
application with an active session cookie. An exploit could allow the attacker to retrieve policy or configuration information from the affected
software and allow to perform another atack against the management console.
Conditions
Please refer to the Security Advisory.
Workaround
Please refer to the Security Advisory.
Further Problem Description
Please refer to the Security Advisory.
PSIRT Evaluation:
The Cisco PSIRT has assigned this bug the following CVSS version 3 score. The Base CVSS score as of the time of evaluation is 6.5:
https://tools.cisco.com/security/center/cvssCalculator.x?version=3.0&vector=CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:X/RL:X/RC:X
CVE ID CVE-2018-0278 has been assigned to document this issue.
Additional information on Cisco's security vulnerability policy can be found at the following URL:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html