SB2018110815 - Security restrictions bypass in Cisco Firepower Management Center
Published: November 8, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-15443)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists in the detection engine due to incorrect TCP retransmission handling. A remote unauthenticated attacker can send a specially crafted TCP connection request through an affected device and bypass configured Intrusion Prevention System (IPS) rules and allow uninspected traffic onto the network.
Remediation
Install update from vendor's website.