PT-2018-16997 · F5 · F5 Big-Ip

Published 2018-03-22 · Updated 2018-04-20 · CVE-2018-5503

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 12.0.0 through 12.1.3.1 F5 BIG-IP versions 13.0.0 through 13.1.0.3

Description The issue occurs when the Traffic Management Microkernel (TMM) processes a specifically crafted page through a virtual server with an associated Policy Enforcement Manager (PEM) policy that has content insertion as an action, potentially causing TMM to restart.

Recommendations For F5 BIG-IP versions 12.0.0 through 12.1.3.1, consider disabling content insertion in PEM policies associated with virtual servers to minimize the risk of TMM restarts. For F5 BIG-IP versions 13.0.0 through 13.1.0.3, consider disabling content insertion in PEM policies associated with virtual servers to minimize the risk of TMM restarts. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-5503

Affected Products

F5 Big-Ip

References · 4

• https://support.f5.com/csp/article/K54562183 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-5503 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-5503 · Security Note
• http://securitytracker.com/id/1040560 · Note