UBUNTU-CVE-2017-11104
Dashboard / Vulnerabilities / UBUNTU-CVE-2017-11104
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2017-11104, https://lists.nic.cz/pipermail/knot-dns-users/2017-June/001144.html, http://www.synacktiv.ninja/ressources/Knot_DNS_TSIG_Signature_Forgery.pdf, https://bugs.debian.org/865678, https://www.cve.org/CVERecord?id=CVE-2017-11104
Affected packages
Package
Name: knot
Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.0.0-1
2.0.1-4
2.0.1-4build1
2.0.2-1
2.0.2-1build1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
