Resource exhaustion in F5 Big-Ip Access Policy Manager
CVE-2018-5500
On F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, or 11.6.1 - 11.6.2, every Multipath TCP (MCTCP) connection established leaks a small amount of memory. Virtual server using TCP profile with Multipath TCP (MCTCP) feature enabled will be affected by this issue.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.014 (69.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- F5 Big-ip_access_policy_manager — versions 13.0.0
- F5 Big-ip_advanced_firewall_manager — versions 13.0.0
- F5 Big-ip_analytics — versions 13.0.0
- F5 Big-ip_application_acceleration_manager — versions 13.0.0
- F5 Big-ip_application_security_manager — versions 13.0.0
- F5 Big-ip_dns — versions 13.0.0
- F5 Big-ip_edge_gateway — versions 13.0.0
- F5 Big-ip_global_traffic_manager — versions 13.0.0
- F5 Big-ip_link_controller — versions 13.0.0
- F5 Big-ip_local_traffic_manager — versions 13.0.0
Weakness classification (CWE)
References
- f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)
- f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-5500?
- CVE-2018-5500 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2018-03-01.
- How severe is CVE-2018-5500?
- Medium severity. CVSS v3 base score is 5.9 out of 10.