PT-2021-15306 · F5 · Big-Ip

Published 2021-02-12 · Updated 2021-02-18 · CVE-2021-22973

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 versions 12.1.x BIG-IP versions 13.1.x before 13.1.3.5 BIG-IP versions 14.1.x before 14.1.3.1 BIG-IP versions 15.1.x before 15.1.2 BIG-IP versions 16.0.x before 16.0.1.1

Description The JSON parser function does not protect against out-of-bounds memory accesses or writes.

Recommendations For BIG-IP version 12.1.x, update to a version after 12.1.x to resolve the issue. For BIG-IP version 13.1.x before 13.1.3.5, update to version 13.1.3.5 or later. For BIG-IP version 14.1.x before 14.1.3.1, update to version 14.1.3.1 or later. For BIG-IP version 15.1.x before 15.1.2, update to version 15.1.2 or later. For BIG-IP version 16.0.x before 16.0.1.1, update to version 16.0.1.1 or later.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-22973

Affected Products

Big-Ip

References · 4

• https://osv.dev/vulnerability/CVE-2021-22973 · Vendor Advisory
• https://support.f5.com/csp/article/K13323323 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-22973 · Security Note
• https://t.me/cibsecurity/23559 · Telegram Post