PT-2018-17011 · F5 · F5 Big-Ip

Published 2018-05-02 · Updated 2018-06-13 · CVE-2018-5517

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions 13.1.0 through 13.1.0.5

Description The issue is caused by malformed TCP packets sent to a self IP address or a FastL4 virtual server, which may result in an interruption of service. This issue affects the data plane virtual servers and self IPs, but the control plane is not exposed to this problem.

Recommendations For F5 BIG-IP versions 13.1.0 through 13.1.0.5, consider restricting access to self IP addresses and FastL4 virtual servers to minimize the risk of exploitation until a fix is available.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-5517

Affected Products

F5 Big-Ip

References · 4

• https://support.f5.com/csp/article/K25573437 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-5517 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-5517 · Security Note
• http://securitytracker.com/id/1040805 · Note