F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, APM, ASM, Link Controller, PEM, WebSafe)

CVE-2018-5509
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 2.76 % · percentile 86 ()
State
PUBLISHED
Published
Updated
Assigner
f5
NVD status
Modified

Description

On F5 BIG-IP versions 13.0.0 or 12.1.0 - 12.1.3.1, when a specifically configured virtual server receives traffic of an undisclosed nature, TMM will crash and take the configured failover action, potentially causing a denial of service. The configuration which exposes this issue is not common and in general does not work when enabled in previous versions of BIG-IP. Starting in 12.1.0, BIG-IP will crash if the configuration which exposes this issue is enabled and the virtual server receives non TCP traffic. With the fix of this issue, additional configuration validation logic has been added to prevent this configuration from being applied to a virtual server. There is only data plane exposure to this issue with a non-standard configuration. There is no control plane exposure.

Weaknesses (CWE)

  • CWE-20 — Improper Input Validation

References

Scores

VersionScoreVectorScored by
CVSS 3.0HIGH 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0HIGH 7.8AV:N/AC:L/Au:N/C:N/I:N/A:CNVD · nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
F5 Networks, Inc. · BIG-IP (LTM, AAM, AFM, APM, ASM, Link Controller, PEM, WebSafe)affected 13.0.0 ; affected 12.1.0 - 12.1.3.1

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD