4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
0.003 Low
EPSS
Percentile
67.9%
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.
www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf
bugs.debian.org/865678
launchpad.net/bugs/cve/CVE-2017-11104
lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html
nvd.nist.gov/vuln/detail/CVE-2017-11104
security-tracker.debian.org/tracker/CVE-2017-11104
www.cve.org/CVERecord?id=CVE-2017-11104
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
0.003 Low
EPSS
Percentile
67.9%