Vulnerability CVE-2018-0384


Published: 2018-07-16

Description:
A vulnerability in the detection engine of Cisco FireSIGHT System Software could allow an unauthenticated, remote attacker to bypass a URL-based access control policy that is configured to block traffic for an affected system. The vulnerability exists because the affected software incorrectly handles TCP packets that are received out of order when a TCP SYN retransmission is issued. An attacker could exploit this vulnerability by sending a maliciously crafted connection through an affected device. A successful exploit could allow the attacker to bypass a URL-based access control policy that is configured to block traffic for the affected system. Cisco Bug IDs: CSCvh84511.

Type:

CWE-693

(Protection Mechanism Failure)

Vendor: Cisco
Product: Firepower management center 
Version:
6.2.2
6.2.1
6.2.0
6.1.0
6.0.0

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None

 References:
http://www.securityfocus.com/bid/104725
http://www.securitytracker.com/id/1041284
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180711-firesight-url-bypass

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