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.
HighCVSS 8.6
EPSS 2.8%
- Published
- Updated
- Exploit status
- No public exploit known
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 products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/knot(Debian:12) | < 2.3.0-1 | 2.3.0-1 |
| debian/knot(Debian:13) | < 2.3.0-1 | 2.3.0-1 |
| debian/knot(Debian:14) | < 2.3.0-1 | 2.3.0-1 |
| knot-dns knot dns | < 2.3.0 | 2.3.0 |
References
- Debian Security Tracker CVE-2016-6171 vendor-advisory
- [oss-security] 20160706 Malicious primary DNS servers can crash secondaries mailing-list third-party-advisory
- [oss-security] 20160706 Re: Malicious primary DNS servers can crash secondaries mailing-list third-party-advisory
- 91678 third-party-advisory vdb-entry
- github.com patch third-party-advisory
- gitlab.labs.nic.cz release-notes vdb-entry
- gitlab.labs.nic.cz vendor-advisory
- [dns-operations] 20160704 DNS activities in Japan mailing-list technical-description
- bugs.debian.org issue-tracking