Resource exhaustion in Knot-Dns Knot Dns
CVE-2016-6171
Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.028 (85.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Knot-dns Knot_dns
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (mailing-list, Technical Description, x_refsource_MLIST)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, VDB Entry, Release Notes)
- secalert@redhat.com (x_refsource_CONFIRM, Vendor Advisory)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2016-6171?
- CVE-2016-6171 is a high-severity vulnerability in Knot-Dns Knot Dns, classified under Uncontrolled Resource Consumption. CVSS score: 8.6/10. Published 2017-02-09.
- How severe is CVE-2016-6171?
- High severity. CVSS v3 base score is 8.6 out of 10.