#VU51419 Resource exhaustion


Published: 2021-03-11

Vulnerability identifier: #VU51419

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-22998

CWE-ID: CWE-400

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 Link Controller
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: F5 Networks, Inc.

Description

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

The vulnerability exists due to SYN flood protection thresholds are not enforced in secure network address translation (SNAT) listeners. A remote attacker can perform SYN flood class attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 11.6.1 - 16.0.1

BIG-IP LTM: 11.6.1 - 16.0.1

BIG-IP AAM: 11.6.1 - 16.0.1

BIG-IP AFM: 11.6.1 - 16.0.1

BIG-IP Analytics: 11.6.1 - 16.0.1

BIG-IP APM: 11.6.1 - 16.0.1

BIG-IP ASM: 11.6.1 - 16.0.1

BIG-IP DNS: 11.6.1 - 16.0.1

BIG-IP FPS: 11.6.1 - 16.0.1

BIG-IP GTM: 11.6.1 - 16.0.1

BIG-IP Link Controller: 11.6.1 - 16.0.1

BIG-IP PEM: 11.6.1 - 16.0.1


CPE

External links
http://support.f5.com/csp/article/K31934524


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability