PT-2020-16775 · F5 · Big-Ip

Published 2020-12-11 · Updated 2020-12-14 · CVE-2020-27713

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 version 13.1.3.4

Description The issue occurs when a BIG-IP AFM HTTP security profile is applied to a virtual server and the system receives a request with specific characteristics, causing the connection to reset and the Traffic Management Microkernel (TMM) to leak memory.

Recommendations For version 13.1.3.4, consider restricting the use of BIG-IP AFM HTTP security profiles on virtual servers until a fix is available. As a temporary workaround, review and adjust the configuration to minimize the risk of memory leaks in the Traffic Management Microkernel (TMM).

Fix

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

CVE-2020-27713

Affected Products

Big-Ip

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2020-27713 · Security Note
• https://osv.dev/vulnerability/CVE-2020-27713 · Vendor Advisory
• https://support.f5.com/csp/article/K37960100 · Vendor Advisory
• https://t.me/cibsecurity/20515 · Telegram Post
• https://t.me/cibsecurity/20607 · Telegram Post
• https://t.me/cibsecurity/20548 · Telegram Post
• https://t.me/cibsecurity/20568 · Telegram Post
• https://t.me/cibsecurity/20476 · Telegram Post
• https://t.me/cibsecurity/20535 · Telegram Post
• https://t.me/cibsecurity/20627 · Telegram Post
• https://t.me/cibsecurity/20587 · Telegram Post
• https://t.me/cibsecurity/20495 · Telegram Post