PT-2022-22270 · F5 · F5 Big-Ip

Published 2022-08-04 · Updated 2022-08-10 · CVE-2022-34651

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 15.1.x through 15.1.6.0 F5 BIG-IP versions 16.1.x through 16.1.3.0

Description When an LTM Client or Server SSL profile with TLS 1.3 enabled is configured on a virtual server, along with an iRule that calls HTTP::respond, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate.

Recommendations For F5 BIG-IP versions 15.1.x through 15.1.6.0, update to version 15.1.6.1 or later to resolve the issue. For F5 BIG-IP versions 16.1.x through 16.1.3.0, update to version 16.1.3.1 or later to resolve the issue. As a temporary workaround, consider disabling the HTTP::respond function in iRules until a patch is available.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-34651

Affected Products

F5 Big-Ip

References · 4

• https://support.f5.com/csp/article/K59197053 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-34651 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-34651 · Security Note
• https://t.me/cibsecurity/47573 · Telegram Post