Vulnerability identifier: #VU13860
Vulnerability risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco FireSIGHT
Server applications /
Remote management servers, RDP, SSH
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists in the detection engine due to an error when handling of TCP packets that are received out of order when a TCP SYN retransmission is issued. A remote attacker can send a maliciously crafted connection and bypass a URL-based access control policy that is configured to block traffic for the affected system.
Mitigation
Update to version 6.2.2.3, 6.2.3.
Vulnerable software versions
Cisco FireSIGHT: 6.0 - 6.2.2
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180711-firesight-ur...
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.