Large Receive Offload Impacting F5 BIG-IP Product
CVE-2018-5512

7.5HIGH

Key Information:

Vendor

F5
Status
Big-ip (ltm, Aam, Afm, Analytics, Apm, Asm, Dns, Edge Gateway, Gtm, Link Controller, Pem, Webaccelerator, Websafe)
Vendor
CVE Published:
2 May 2018

What is CVE-2018-5512?

A vulnerability exists in F5 BIG-IP versions 13.1.0 through 13.1.0.5, caused by the default settings for Large Receive Offload (LRO) and SYN cookies. When specific undisclosed traffic patterns are encountered, it may lead to the Traffic Management Microkernel (TMM) restarting unexpectedly. This can disrupt services and expose systems to denial-of-service conditions.

Affected Version(s)

BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe) 13.1.0-13.1.0.5

References

http://www.securityfocus.com/bid/104095
vdb-entryx_refsource_BID
https://support.f5.com/csp/article/K51754851
x_refsource_CONFIRM
http://www.securitytracker.com/id/1040801
vdb-entryx_refsource_SECTRACK

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.