Resource exhaustion in F5 Big-ip_access_policy_manager
CVE-2018-5743
By design, BIND is intended to limit the number of TCP clients that can be connected at any given time. The number of allowed connections is a tunable parameter which, if unset, defaults to a conservative value for most servers. Unfortunat…
EPSS: 0.064 (92.9th 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
- F5 Big-ip_access_policy_manager — versions 15.0.0
- F5 Big-ip_advanced_firewall_manager — versions 15.0.0
- F5 Big-ip_analytics — versions 15.0.0
- F5 Big-ip_application_acceleration_manager — versions 15.0.0
- F5 Big-ip_application_security_manager — versions 15.0.0
- F5 Big-ip_domain_name_system — versions 15.0.0
- F5 Big-ip_edge_gateway — versions 15.0.0
- F5 Big-ip_fraud_protection_service — versions 15.0.0
- F5 Big-ip_global_traffic_manager — versions 15.0.0
- F5 Big-ip_link_controller — versions 15.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (x_refsource_CONFIRM)
- security-officer@isc.org (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2018-5743?
- CVE-2018-5743 is a high-severity vulnerability in F5 Big-ip_access_policy_manager, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2019-10-09.
- How severe is CVE-2018-5743?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-5743 known to be exploited?
- 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.