Vulnerability Description
A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage contains leases which are rejected as invalid when the server tries to load leases from storage on restart. If the number of such leases exceeds a hard-coded limit in the Kea code, a server trying to restart will conclude that there is a problem with its lease store and give up. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Isc | Kea | >= 1.4.0, <= 1.5.0 |
Related Weaknesses (CWE)
References
- https://kb.isc.org/docs/cve-2019-6474Vendor Advisory
- https://kb.isc.org/docs/cve-2019-6474Vendor Advisory
FAQ
What is CVE-2019-6474?
CVE-2019-6474 is a vulnerability with a CVSS score of 5.7 (MEDIUM). A missing check on incoming client requests can be exploited to cause a situation where the Kea server's lease storage contains leases which are rejected as invalid when the server tries to load lease...
How severe is CVE-2019-6474?
CVE-2019-6474 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-6474?
Check the references section above for vendor advisories and patch information. Affected products include: Isc Kea.