Input validation error in F5 Networks products - CVE-2020-5872

Vulnerability identifier: #VU27561

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-5872

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists within the Traffic Management Microkernel (TMM) when processing TLS traffic with hardware cryptographic acceleration enabled on platforms with Intel QAT hardware. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

This vulnerability applies to the following platforms:

• i4600, i4800, YK i4000
• i5600, i5800, HRC-i5000, HRC-i5800, i5820-DF
• i7600, i7800, i7000-D, i7820-DF
• i10600, i10800, i10000-D, HRC-i10800
• i11600, i11800, i11000-DS, i11000-D
• i15600, i15800, i15000-N
• VIPRION B4400N blade

BIG-IP DNS
BIG-IP AAM
BIG-IP Link Controller
BIG-IP AFM
BIG-IP Analytics
BIG-IP APM
BIG-IP ASM
BIG-IP LTM
BIG-IP FPS
BIG-IP GTM
BIG-IP PEM
BIG-IP

Install updates from vendor's website.

BIG-IP DNS - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP AAM - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP AFM - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP Analytics - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP APM - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP ASM - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP LTM - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP FPS - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP GTM - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP Link Controller - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP PEM - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0
BIG-IP - addressed in versions 12.1.5, 13.1.3.2, 14.0.1.1, 14.1.2.4, 15.0.0

• https://support.f5.com/csp/article/K63558580

• Denial of service in F5 BIG-IP products