CVE-2017-11104
Knot DNS TSIG Invalidity Period Authentication Bypass
Description
Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.
INFO
Published Date :
July 8, 2017, 10:29 a.m.
Last Modified :
April 20, 2025, 1:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2017-11104 has a 2 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-11104
.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A curated list of my GitHub stars!
Exploit for TSIG bypass vulnerabilities in Bind (CVE-2017-3143) and Knot DNS (CVE-2017-11104)
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-11104
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-11104
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html Added Reference http://www.debian.org/security/2017/dsa-3910 Added Reference http://www.securityfocus.com/bid/99598 Added Reference http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf Added Reference https://bugs.debian.org/865678 Added Reference https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Jan. 20, 2023
Action Type Old Value New Value Removed CVSS V3 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html Broken Link Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html Broken Link Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html Broken Link Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html Broken Link Changed Reference Type http://www.debian.org/security/2017/dsa-3910 No Types Assigned http://www.debian.org/security/2017/dsa-3910 Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/99598 No Types Assigned http://www.securityfocus.com/bid/99598 Broken Link Changed Reference Type https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html Mailing List, Patch, Third Party Advisory https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html Broken Link, Mailing List, Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 18, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00049.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 30, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00089.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 26, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00078.html [No Types Assigned] Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00076.html [No Types Assigned] -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-284 CWE-20 -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3910 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 19, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/99598 [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 16, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:P/A:N) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://bugs.debian.org/865678 No Types Assigned https://bugs.debian.org/865678 Issue Tracking, Third Party Advisory Changed Reference Type http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf No Types Assigned http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf Exploit, Mitigation, Patch, Third Party Advisory Changed Reference Type https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html No Types Assigned https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html Mailing List, Patch, Third Party Advisory Added CWE CWE-284 Added CPE Configuration OR *cpe:2.3:a:knot-dns:knot_dns:2.4.4:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:knot-dns:knot_dns:2.5.0:*:*:*:*:*:*:* *cpe:2.3:a:knot-dns:knot_dns:2.5.1:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-11104
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-11104
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.58 }} -3.16%
score
0.84219
percentile