CVEvulnerability
CVE-2016-6171
8.6 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-02-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-400
Description
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.
Affected configurations
• knot-dns knot dns (< 2.3.0)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- http://www.openwall.com/lists/oss-security/2016/07/06/3 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/06/4 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/91678 Third Party Advisory, VDB Entry
- https://github.com/sischkg/xfer-limit/blob/master/README.md Patch, Third Party Advisory
- https://gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWS Release Notes, VDB Entry
- https://gitlab.labs.nic.cz/labs/knot/issues/464 Vendor Advisory
- https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html Technical Description
- http://www.openwall.com/lists/oss-security/2016/07/06/3 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/07/06/4 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/91678 Third Party Advisory, VDB Entry
- https://github.com/sischkg/xfer-limit/blob/master/README.md Patch, Third Party Advisory
- https://gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWS Release Notes, VDB Entry
- https://gitlab.labs.nic.cz/labs/knot/issues/464 Vendor Advisory
- https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html Technical Description