#VU25007 Input validation error in F5 Networks products - CVE-2020-5854

Vulnerability identifier: #VU25007

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-5854

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP
Hardware solutions / Firmware
BIG-IP LTM
Hardware solutions / Security hardware applicances
BIG-IP AFM
Hardware solutions / Security hardware applicances
BIG-IP Analytics
Hardware solutions / Security hardware applicances
BIG-IP APM
Hardware solutions / Security hardware applicances
BIG-IP ASM
Hardware solutions / Security hardware applicances
BIG-IP FPS
Hardware solutions / Security hardware applicances
BIG-IP GTM
Hardware solutions / Security hardware applicances
BIG-IP PEM
Hardware solutions / Security hardware applicances
BIG-IP AAM
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP DNS
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP Edge Gateway
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP Link Controller
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP WebAccelerator
Hardware solutions / Routers & switches, VoIP, GSM, etc
Enterprise Manager
Client/Desktop applications / Other client software
BIG-IQ Centralized Management
Server applications / Remote management servers, RDP, SSH
F5 iWorkflow
Server applications / Remote management servers, RDP, SSH
Traffix SDC
Client/Desktop applications / Software for system administration

Vendor: F5 Networks

Description

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

The vulnerability exists due to the Traffic Management Microkernel (TMM) process may produce a core file when using the connector profile and a specific sequence of connections are received. A remote attacker can cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 11.5.2 - 11.5.10, 11.6.0 - 11.6.5, 12.1.0 - 12.1.5, 13.1.0 - 13.1.3, 14.0.0 - 14.0.1, 14.1.0 - 14.1.2, 15.0.0 - 15.0.1

BIG-IP LTM: 11.5.2 - 15.0.1

BIG-IP AAM: 11.5.2 - 15.0.1

BIG-IP AFM: 11.5.2 - 15.0.1

BIG-IP Analytics: 11.5.2 - 15.0.1

BIG-IP APM: 11.5.2 - 15.0.1

BIG-IP ASM: 11.5.2 - 15.0.1

BIG-IP DNS: 11.5.2 - 15.0.1

BIG-IP Edge Gateway: 11.5.2 - 15.0.1

BIG-IP FPS: 11.5.2 - 15.0.1

BIG-IP GTM: 11.5.2 - 15.0.1

BIG-IP Link Controller: 11.5.2 - 15.0.1

BIG-IP PEM: 11.5.2 - 15.0.1

BIG-IP WebAccelerator: 11.5.2 - 15.0.1

Enterprise Manager: 3.1.1

BIG-IQ Centralized Management: 5.3.0 - 7.0.0

F5 iWorkflow: 2.3.0

Traffix SDC: 5.0.0 - 5.1.0

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External links
https://support.f5.com/csp/article/K50046200

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.