Buffer overflow in F5 Big-Ip Access Policy Manager
CVE-2017-6162
In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, 11.2.1, in some cases TMM may crash when processing TCP traffic. This vulnerability affects TMM via a virtual server configured with TCP profile. Traffic processing is disrupted while Traffic Management Microkernel (TMM) restarts. If the affected BIG-IP system is configured to be part of a device group, it will trigger a failover to the peer device.
Vulnerability class: Buffer Overflow
EPSS: 0.017 (74.5th 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 11.2.1, 11.6.0, 11.6.1
- F5 Big-ip_advanced_firewall_manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-ip_application_acceleration_manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-ip_application_security_manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-ip_link_controller — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-ip_local_traffic_manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-ip_policy_enforcement_manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-ip_websafe — versions 1.0.0
- F5 Networks, Inc. Big-ip Ltm, Aam, Afm, Analytics, Apm, Asm, Dns, Edge Gateway, Gtm, Link Controller, Pem, Websafe — versions " 11.6.1, 12.0.0 - 12.1.2, €
Weakness classification (CWE)
References
- 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)
- f5sirt@f5.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6162?
- CVE-2017-6162 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-2017-6162?
- Medium severity. CVSS v3 base score is 5.9 out of 10.