Double Free in F5 Big-Ip Afm
CVE-2017-6166
In BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Link Controller, PEM, and WebSafe software 12.0.0 to 12.1.1, in some cases the Traffic Management Microkernel (TMM) may crash when processing fragmented packets. This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. If the affected BIG-IP system is configured as part of a device group, it will trigger a failover to the peer device.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.019 (79.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/102264 (VDB Entry, Third Party Advisory, vdb-entry)
- support.f5.com/csp/article/K65615624 (Mitigation, Issue Tracking, Vendor Advisory)
- www.securitytracker.com/id/1039949 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-6166?
- CVE-2017-6166 is a medium-severity vulnerability in F5 Big-Ip Afm, classified under Double Free. CVSS score: 5.9/10. Published 2017-11-22.
- How severe is CVE-2017-6166?
- Medium severity. CVSS v3 base score is 5.9 out of 10.