Buffer overflow in F5 Big-Ip Access Policy Manager
CVE-2017-6163
In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, PSM software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, when a virtual server uses the standard configuration of HTTP/2 or SPDY profile with Client SSL profile, and the client initiates a number of concurrent streams beyond the advertised limit can cause a disruption of service. Remote client initiating stream beyond the advertised limit can cause a disruption of service. The Traffic Management Microkernel (TMM) data plane is exposed to this issue; the control plane is not exposed.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.017 (75.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- F5 Big-Ip Access Policy Manager — versions 11.6.0, 11.6.1, 12.0.0
- F5 Big-Ip Advanced Firewall Manager — versions 11.6.0, 11.6.1, 12.0.0
- F5 Big-Ip Application Acceleration Manager — versions 11.6.0, 11.6.1, 12.0.0
- F5 Big-Ip Application Security Manager — versions 11.6.0, 11.6.1, 12.0.0
- F5 Big-Ip Link Controller — versions 11.6.0, 11.6.1, 12.0.0
- F5 Big-Ip Local Traffic Manager — versions 11.6.0, 11.6.1, 12.0.0
- F5 Big-Ip Policy Enforcement Manager — versions 11.6.0, 11.6.1, 12.0.0
- F5 Big-Ip Protocol Security Module — versions 11.6.0, 11.6.1, 12.0.0
- F5 Networks, Inc. Big-Ip Ltm, Aam, Afm, Apm, Asm, Link Controller, Pem, Psm — versions " 11.6.1, 12.0.0 - 12.1.2, €
Weakness classification (CWE)
References
- www.securitytracker.com/id/1039671 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/101606 (VDB Entry, Third Party Advisory, vdb-entry)
- support.f5.com/csp/article/K22541983 (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6163?
- CVE-2017-6163 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.9/10. Published 2017-10-27.
- How severe is CVE-2017-6163?
- Medium severity. CVSS v3 base score is 5.9 out of 10.