CVE-2018-15319

UnknownEPSS 1.86%

Last modified

CVE-2018-15319 is a vulnerability of currently unknown severity. On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, or 12.1.0-12.1.3.6, malicious requests made to virtual servers with an HTTP profile can cause the TMM to restart. The issue is exposed with the non-default "normalize URI" configuration options used in iRules and/or BIG-IP LTM policies.. EPSS estimates a 1.86% chance of exploitation in the next 30 days.

Description

On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, or 12.1.0-12.1.3.6, malicious requests made to virtual servers with an HTTP profile can cause the TMM to restart. The issue is exposed with the non-default "normalize URI" configuration options used in iRules and/or BIG-IP LTM policies.

Metrics

EPSS Probability
1.86%

76.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 12.1.0, <= 12.1.3.6
F5Big-Ip Local Traffic Manager>= 13.0.0, <= 13.1.1.1
F5Big-Ip Local Traffic Manager>= 14.0.0, <= 14.0.0.2
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.3.6
F5Big-Ip Advanced Firewall Manager>= 13.0.0, <= 13.1.1.1
F5Big-Ip Advanced Firewall Manager>= 14.0.0, <= 14.0.0.2
F5Big-Ip Application Acceleration Manager>= 12.1.0, <= 12.1.3.6
F5Big-Ip Application Acceleration Manager>= 13.0.0, <= 13.1.1.1
F5Big-Ip Application Acceleration Manager>= 14.0.0, <= 14.0.0.2
F5Big-Ip Analytics>= 12.1.0, <= 12.1.3.6
F5Big-Ip Analytics>= 13.0.0, <= 13.1.1.1
F5Big-Ip Analytics>= 14.0.0, <= 14.0.0.2
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.3.6
F5Big-Ip Access Policy Manager>= 13.0.0, <= 13.1.1.1
F5Big-Ip Access Policy Manager>= 14.0.0, <= 14.0.0.2
F5Big-Ip Protocol Security Module>= 12.1.0, <= 12.1.3.6
F5Big-Ip Protocol Security Module>= 13.0.0, <= 13.1.1.1
F5Big-Ip Protocol Security Module>= 14.0.0, <= 14.0.0.2
F5Big-Ip Domain Name System>= 12.1.0, <= 12.1.3.6
F5Big-Ip Domain Name System>= 13.0.0, <= 13.1.1.1
F5Big-Ip Domain Name System>= 14.0.0, <= 14.0.0.2
F5Big-Ip Edge Gateway>= 12.1.0, <= 12.1.3.6
F5Big-Ip Edge Gateway>= 13.0.0, <= 13.1.1.1
F5Big-Ip Edge Gateway>= 14.0.0, <= 14.0.0.2
F5Big-Ip Fraud Protection Service>= 12.1.0, <= 12.1.3.6
F5Big-Ip Fraud Protection Service>= 13.0.0, <= 13.1.1.1
F5Big-Ip Fraud Protection Service>= 14.0.0, <= 14.0.0.2
F5Big-Ip Global Traffic Manager>= 12.1.0, <= 12.1.3.6
F5Big-Ip Global Traffic Manager>= 13.0.0, <= 13.1.1.1
F5Big-Ip Global Traffic Manager>= 14.0.0, <= 14.0.0.2
F5Big-Ip Link Controller>= 12.1.0, <= 12.1.3.6
F5Big-Ip Link Controller>= 13.0.0, <= 13.1.1.1
F5Big-Ip Link Controller>= 14.0.0, <= 14.0.0.2
F5Big-Ip Policy Enforcement Manager>= 12.1.0, <= 12.1.3.6
F5Big-Ip Policy Enforcement Manager>= 13.0.0, <= 13.1.1.1
F5Big-Ip Policy Enforcement Manager>= 14.0.0, <= 14.0.0.2
F5Big-Ip Webaccelerator>= 12.1.0, <= 12.1.3.6
F5Big-Ip Webaccelerator>= 13.0.0, <= 13.1.1.1
F5Big-Ip Webaccelerator>= 14.0.0, <= 14.0.0.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-15319?
On BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.1, or 12.1.0-12.1.3.6, malicious requests made to virtual servers with an HTTP profile can cause the TMM to restart. The issue is exposed with the non-default "normalize URI" configuration options used in iRules and/or BIG-IP LTM policies.
How severe is CVE-2018-15319?
Severity scoring for CVE-2018-15319 is pending analysis. The EPSS model estimates a 1.86% probability of exploitation in the next 30 days.
How do I fix CVE-2018-15319?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-15319?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST