PT-2018-17029 · F5 · F5 Big-Ip

Published 2018-07-19 · Updated 2018-12-05 · CVE-2018-5535

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 11.5.1 through 11.6.3 F5 BIG-IP versions 12.1.0 through 12.1.3 F5 BIG-IP versions 13.0.0 through 13.1.0 F5 BIG-IP version 14.0.0

Description The issue occurs when specifically crafted HTTP responses are processed by a Virtual Server with an associated QoE profile that has Video enabled, causing TMM to incorrectly buffer response data. This results in the TMM restarting, leading to a Denial of Service.

Recommendations For F5 BIG-IP versions 11.5.1 through 11.6.3, consider disabling the Video feature in QoE profiles associated with Virtual Servers to prevent exploitation. For F5 BIG-IP versions 12.1.0 through 12.1.3, consider disabling the Video feature in QoE profiles associated with Virtual Servers to prevent exploitation. For F5 BIG-IP versions 13.0.0 through 13.1.0, consider disabling the Video feature in QoE profiles associated with Virtual Servers to prevent exploitation. For F5 BIG-IP version 14.0.0, consider disabling the Video feature in QoE profiles associated with Virtual Servers to prevent exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-5535

Affected Products

F5 Big-Ip

References · 4

• https://support.f5.com/csp/article/K19634255 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-5535 · Security Note
• https://osv.dev/vulnerability/CVE-2018-5535 · Vendor Advisory
• http://securitytracker.com/id/1041344 · Note