Vulnerability in F5 Big-Ip Access Policy Manager
CVE-2018-5527
On BIG-IP 13.1.0-13.1.0.7, a remote attacker using undisclosed methods against virtual servers configured with a Client SSL or Server SSL profile that has the SSL Forward Proxy feature enabled can force the Traffic Management Microkernel (tmm) to leak memory. As a result, system memory usage increases over time, which may eventually cause a decrease in performance or a system reboot due to memory exhaustion.
EPSS: 0.026 (83.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- F5 Big-ip_access_policy_manager
- F5 Big-ip_advanced_firewall_manager
- F5 Big-ip_analytics
- F5 Big-ip_application_acceleration_manager
- F5 Big-ip_application_security_manager
- F5 Big-ip_domain_name_system
- F5 Big-ip_edge_gateway
- F5 Big-ip_global_traffic_manager
- F5 Big-ip_link_controller
- F5 Big-ip_local_traffic_manager
Weakness classification (CWE)
References
- f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-5527?
- CVE-2018-5527 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 7.5/10. Published 2018-06-27.
- How severe is CVE-2018-5527?
- High severity. CVSS v3 base score is 7.5 out of 10.