PT-2018-4991 · F5 · F5 Big-Ip

Published 2018-10-08 · Updated 2019-01-09 · CVE-2016-7475

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions 11.4.0 through 11.5.4 HF1 F5 BIG-IP versions 11.6.0 through 11.6.1 F5 BIG-IP versions 12.0.0 through 12.1.0

Description The issue arises under certain circumstances when the Traffic Management Microkernel (TMM) fails to properly clean up pool member network connections. This occurs specifically when using SPDY or HTTP/2 virtual server profiles.

Recommendations For F5 BIG-IP versions 11.4.0 through 11.5.4 HF1, consider disabling the use of SPDY or HTTP/2 virtual server profiles until a fix is available. For F5 BIG-IP versions 11.6.0 through 11.6.1, consider disabling the use of SPDY or HTTP/2 virtual server profiles until a fix is available. For F5 BIG-IP versions 12.0.0 through 12.1.0, consider disabling the use of SPDY or HTTP/2 virtual server profiles until a fix is available.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2016-7475

Affected Products

F5 Big-Ip

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2016-7475 · Security Note
• https://osv.dev/vulnerability/CVE-2016-7475 · Vendor Advisory
• https://support.f5.com/csp/article/K01587042 · Vendor Advisory