CVE-2018-0228 evidence review
Cisco Adaptive Security Appliance, adaptive security appliance software, secure firewall threat defense
A vulnerability in the ingress flow creation functionality of Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause the CPU to increase upwards of 100% utilization, causing a denial of service (DoS) condition on an affected system. The vulnerability is due to incorrect handling of an internal software lock that could prevent other system processes from getting CPU cycles, causing a high CPU condition. An attacker could exploit this vulnerability by sending a steady stream of malicious IP packets that can cause connections to be created on the targe...
This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.
Identify the product and installed version
Record whether Cisco Adaptive Security Appliance, adaptive security appliance software, secure firewall threat defense is present, where it is installed, and which interfaces are exposed.
- Record the product name, package or appliance identifier, and installed version.
- Identify internet-facing, administrative, API, and internal access paths.
- Preserve the pre-change configuration and relevant service logs.
Compare the affected range
Use the current record as an identification aid: >= Cisco Adaptive Security Appliance, >= 9.1 < 9.1.7.20, >= 9.3 < 9.4.4.13, >= 9.5 < 9.6.3.17, >= 9.7 < 9.7.1.16, >= 9.8 < 9.8.2.14, >= 9.2 < 9.2.4.27, >= 9.9 < 9.9.1, 98.1(12.187), >= 6.0 < 6.1.0.6, >= 6.2.0 < 6.2.0.5, >= 6.2.1 < 6.2.2.2. Resolve incomplete inventory results before deciding that an asset is unaffected.
Verify the authoritative remediation source
Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.
Operational boundary
This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.