Resource exhaustion in A10networks Advanced_core_operating_system
CVE-2018-5390
Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.737 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- A10networks Advanced_core_operating_system — versions 3.2.2, 4.1.0, 4.1.1
- Cisco Collaboration_meeting_rooms — versions 1.0
- Cisco Digital_network_architecture_center — versions 1.2
- Cisco Expressway — versions x8.10, x8.10.1, x8.10.2
- Cisco Expressway_series
- Cisco Meeting_management — versions 1.0, 1.0.1
- Cisco Network_assurance_engine — versions 2.1\(1a\)
- Cisco Telepresence_conductor
- Cisco Telepresence_conductor_firmware — versions xc4.3, xc4.3.1, xc4.3.2
- Cisco Telepresence_video_communication_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cret@cert.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cret@cert.org (US Government Resource, x_refsource_CERT-VN, Third Party Advisory, third-party-advisory)
- cret@cert.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cret@cert.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cret@cert.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cret@cert.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cret@cert.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cret@cert.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cret@cert.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- cret@cert.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-5390?
- CVE-2018-5390 is a high-severity vulnerability in A10networks Advanced_core_operating_system, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-08-06.
- How severe is CVE-2018-5390?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-5390 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.