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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.718 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.737 · newest: 0.718 · change: -0.020
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\(1a\), 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
- access.redhat.com/errata/RHSA-2018:2785 (vendor-advisory, Third Party Advisory)
- www.kb.cert.org/vuls/id/962459 (US Government Resource, Third Party Advisory, third-party-advisory)
- usn.ubuntu.com/3741-2/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2776 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2933 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2403 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2395 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3763-1/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2384 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3741-1/ (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.