Vulnerability in F5 Big-Ip Domain Name System
CVE-2018-5540
On F5 BIG-IP 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1, or 11.5.1-11.5.6, Enterprise Manager 3.1.1, BIG-IQ Centralized Management 5.0.0-5.1.0, BIG-IQ Cloud and Orchestration 1.0.0, or F5 iWorkflow 2.1.0-2.3.0 the big3d process does not irrevocably minimize group privileges at start up.
EPSS: 0.004 (33.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- F5 Big-ip_domain_name_system
- F5 Big-ip_global_traffic_manager
- F5 Big-iq_centralized_management
- F5 Big-iq_cloud_and_orchestration — versions 1.0.0
- F5 Enterprise_manager — versions 3.1.1
- F5 F5_iworkflow
- F5 Networks, Inc. Big-ip (Dns, Gtm) — versions 13.0.0-13.0.1, 12.1.0-12.1.3.3, 11.6.0-11.6.3.1
- F5 Networks, Inc. Big-iq Centralized Management — versions 5.0.0-5.1.0
- F5 Networks, Inc. Big-iq Cloud And Orchestration — versions 1.0.0
- F5 Networks, Inc. Enterprise Manager — versions 3.1.1
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)
- f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- f5sirt@f5.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-5540?
- CVE-2018-5540 is a medium-severity vulnerability in F5 Big-Ip Domain Name System, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 4.4/10. Published 2018-07-19.
- How severe is CVE-2018-5540?
- Medium severity. CVSS v3 base score is 4.4 out of 10.