Security restrictions bypass in Cisco Firepower Management Center

Published: 2017-08-03 13:29:01
Severity Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2017-6766
CVSSv3 5.1 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]
CWE ID CWE-20
Exploitation vector Network
Public exploit Not available
Vulnerable software Cisco Firepower Management Center
Vulnerable software versions Cisco Firepower Management Center 6.2.2
Cisco Firepower Management Center 6.2.1
Cisco Firepower Management Center 6.2.0
Show more
Vendor URL Cisco Systems, Inc

Security Advisory

1) Security restrictions bypass

Description

The vulnerability allows a remote unauthenticated attacker to bypass security restrictions on the target system.

The weakness exists in the Secure Sockets Layer (SSL) Decryption and Inspection feature of Cisco Firepower System Software due to unexpected interaction with Known Key and Decrypt and Resign configuration settings of SSL policies. A remote attacker can send a specially crafted SSL packet through an affected device in a valid SSL session and bypass the SSL decryption and inspection policy.

Remediation

The vulnerability is fixed in version 6.1.0.5.

External links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-fpw

Back to List