Memory leak in F5 Networks products - CVE-2018-5500
Published: March 30, 2018
Vulnerability identifier: #VU11392
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: CVE-2018-5500
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.
The weakness exists due to memory leak when establishing a Multipath TCP (MCTCP) connection. A remote attacker who is able to establish an MCTCP connection can consume excessive amounts of memory resources and cause the service to crash.
The weakness exists due to memory leak when establishing a Multipath TCP (MCTCP) connection. A remote attacker who is able to establish an MCTCP connection can consume excessive amounts of memory resources and cause the service to crash.
Affected software
BIG-IP PEM
BIG-IP GTM
BIG-IP ASM
BIG-IP APM
BIG-IP Analytics
BIG-IP AFM
BIG-IP LTM
BIG-IP Edge Gateway
BIG-IP DNS
BIG-IP Link Controller
BIG-IP WebAccelerator
BIG-IP AAM
BIG-IP WebSafe
BIG-IP GTM
BIG-IP ASM
BIG-IP APM
BIG-IP Analytics
BIG-IP AFM
BIG-IP LTM
BIG-IP Edge Gateway
BIG-IP DNS
BIG-IP Link Controller
BIG-IP WebAccelerator
BIG-IP AAM
BIG-IP WebSafe
How to mitigate CVE-2018-5500
Update to versions 13.1.0, 12.1.3.2 or 11.6.3.