PT-2018-12963 · F5 · F5 Big-Ip

Published 2018-10-31 · Updated 2019-03-05 · CVE-2018-15319

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions 12.1.0 through 12.1.3.6 F5 BIG-IP versions 13.0.0 through 13.1.1.1 F5 BIG-IP versions 14.0.0 through 14.0.0.2

Description The issue allows malicious requests made to virtual servers with an HTTP profile to cause the TMM to restart. This occurs when the non-default "normalize URI" configuration options are used in iRules and/or BIG-IP LTM policies.

Recommendations For F5 BIG-IP versions 12.1.0 through 12.1.3.6, consider disabling the "normalize URI" configuration options in iRules and BIG-IP LTM policies as a temporary workaround. For F5 BIG-IP versions 13.0.0 through 13.1.1.1, consider disabling the "normalize URI" configuration options in iRules and BIG-IP LTM policies as a temporary workaround. For F5 BIG-IP versions 14.0.0 through 14.0.0.2, consider disabling the "normalize URI" configuration options in iRules and BIG-IP LTM policies as a temporary workaround.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-15319

Affected Products

F5 Big-Ip

References · 4

• https://osv.dev/vulnerability/CVE-2018-15319 · Vendor Advisory
• https://support.f5.com/csp/article/K64208870 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-15319 · Security Note
• http://securityfocus.com/bid/107052 · Note