CVE-2018-15319

moderate-risk
Published 2018-10-31

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.

Do I need to act?

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0.59% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (13)

Affected Vendors

F5

References (4)

Third Party Advisory http://www.securityfocus.com/bid/107052
Vendor Advisory https://support.f5.com/csp/article/K64208870
Third Party Advisory http://www.securityfocus.com/bid/107052
Vendor Advisory https://support.f5.com/csp/article/K64208870
45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 17/34 · Moderate