Upstream information

CVE-2017-11104 at MITRE


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.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.9
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1047841 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Package Hub 15 SP1
  • knot >= 1.6.8-bp151.4.3.1
SUSE Package Hub 15 SP2
  • knot >= 1.6.8-bp152.4.3.1
openSUSE Leap 15.1
  • knot >= 1.6.8-lp151.4.3.1
openSUSE Leap 15.2
  • knot >= 1.6.8-lp152.5.3.1

SUSE Timeline for this CVE

CVE page created: Sat Jul 8 14:56:41 2017
CVE page last modified: Fri Dec 8 17:14:22 2023