Improper input validation in F5 Networks products - CVE-2018-5509

 

Improper input validation in F5 Networks products - CVE-2018-5509

Published: March 23, 2018


Vulnerability identifier: #VU11255
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5509
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: F5 Networks
Affected software:
BIG-IP LTM
BIG-IP AFM
BIG-IP APM
BIG-IP ASM
BIG-IP PEM
BIG-IP AAM
BIG-IP Link Controller
BIG-IP WebSafe

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists on the systems with a virtual server in a specific and uncommon configuration due to improper input validation. A remote attacker can send specially crafted traffic, trigger a flaw in the Traffic Management Operating System (TMOS) and cause the target Traffic Management Microkernel (TMM) to crash.

How to mitigate CVE-2018-5509

Update to version 12.1.3.2 or 13.1.0.

Sources