Improper resource shutdown in F5 Networks products - CVE-2018-5507

 

Improper resource shutdown in F5 Networks products - CVE-2018-5507

Published: May 17, 2018


Vulnerability identifier: #VU12806
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-5507
CWE-ID: CWE-404
Exploitation vector: Adjecent network
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 an adjacent attacker to cause DoS condition on the target system.

The weakness exists due to incorrect decryption of ciphertext from established SSL sessions with small MTU. An adjacent attacker can cause the service to crash.

How to mitigate CVE-2018-5507

Update to versions 11.5.6, 11.6.3, 12.1.3.2, 13.0.1 or 13.1.0.

Sources