Published: 09/02/2017 Updated: 11/06/2020

CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10

CVSS v3 Base Score: 8.6 | Impact Score: 4 | Exploitability Score: 3.9

VMScore: 445

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Knot DNS prior to 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.

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knot-dns knot dns

Debian Bug report logs - #830809 knot: CVE-2016-6171: Improper restriction of zone size limit Package: src:knot; Maintainer for src:knot is knot packagers <knot@packagesdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 11 Jul 2016 19:00:01 UTC Severity: important Tags: security, upstream ...

CWE-400 https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html https://gitlab.labs.nic.cz/labs/knot/issues/464 https://gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWS https://github.com/sischkg/xfer-limit/blob/master/README.md http://www.openwall.com/lists/oss-security/2016/07/06/4 http://www.openwall.com/lists/oss-security/2016/07/06/3 http://www.securityfocus.com/bid/91678 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=830809 https://nvd.nist.gov

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CVE-2016-6171

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