PT-2020-18844 · F5 · Big-Ip Advanced Waf/Fps

Published 2020-11-05 · Updated 2020-11-16 · CVE-2020-5946

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 BIG-IP Advanced WAF and FPS versions 14.1.0 through 14.1.2.7 BIG-IP Advanced WAF and FPS versions 15.1.0 through 15.1.0.5 BIG-IP Advanced WAF and FPS versions 16.0.0 through 16.0.0.1

Description The issue occurs when certain format client-side alerts are sent to the BIG-IP virtual server configured with DataSafe, which can cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).

Recommendations For versions 14.1.0 through 14.1.2.7, update to a version outside of this range to resolve the issue. For versions 15.1.0 through 15.1.0.5, update to a version outside of this range to resolve the issue. For versions 16.0.0 through 16.0.0.1, update to a version outside of this range to resolve the issue.

Fix

Related Identifiers

CVE-2020-5946

Affected Products

Big-Ip Advanced Waf/Fps

References · 4

• https://osv.dev/vulnerability/CVE-2020-5946 · Vendor Advisory
• https://support.f5.com/csp/article/K53821711 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-5946 · Security Note
• https://t.me/cvenotify/5210 · Telegram Post