PT-2019-18255 · F5 · Big-Ip

Published 2019-11-27 · Updated 2020-08-24 · CVE-2019-6673

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 14.0.0 through 14.1.2 F5 BIG-IP versions 15.0.0 through 15.0.1

Description The issue occurs when the BIG-IP is configured in HTTP/2 Full Proxy mode, and specifically crafted requests may cause a disruption of service provided by the Traffic Management Microkernel (TMM).

Recommendations For versions 14.0.0 through 14.1.2, consider disabling HTTP/2 Full Proxy mode until a fix is available. For versions 15.0.0 through 15.0.1, consider disabling HTTP/2 Full Proxy mode until a fix is available.

Fix

Related Identifiers

CVE-2019-6673

Affected Products

Big-Ip

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2019-6673 · Security Note
• https://support.f5.com/csp/article/K81557381 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-6673 · Vendor Advisory