PT-2020-18840 · F5 · Big-Ip Pem

Published 2020-11-05 · Updated 2020-11-16 · CVE-2020-5942

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 PEM versions 11.6.1 through 11.6.5.2 BIG-IP PEM versions 12.1.0 through 12.1.5.2 BIG-IP PEM versions 13.1.0 through 13.1.3.4 BIG-IP PEM versions 14.1.0 through 14.1.2.7 BIG-IP PEM versions 15.1.0 through 15.1.0.5 BIG-IP PEM versions 16.0.0 through 16.0.0.1

Description The issue arises when processing Capabilities-Exchange-Answer (CEA) packets with certain attributes from the Policy and Charging Rules Function (PCRF) server. This can cause the Traffic Management Microkernel (TMM) to generate a core file and restart.

Recommendations For BIG-IP PEM versions 11.6.1 through 11.6.5.2, update to a version outside of this range to resolve the issue. For BIG-IP PEM versions 12.1.0 through 12.1.5.2, update to a version outside of this range to resolve the issue. For BIG-IP PEM versions 13.1.0 through 13.1.3.4, update to a version outside of this range to resolve the issue. For BIG-IP PEM versions 14.1.0 through 14.1.2.7, update to a version outside of this range to resolve the issue. For BIG-IP PEM versions 15.1.0 through 15.1.0.5, update to a version outside of this range to resolve the issue. For BIG-IP PEM 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-2020-5942

Affected Products

Big-Ip Pem

References · 4

• https://support.f5.com/csp/article/K82530456 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-5942 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-5942 · Security Note
• https://t.me/cibsecurity/15892 · Telegram Post