CVE-2017-11104

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
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.
Overview
  • CVE ID
  • CVE-2017-11104
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-07-08T10:29:00
  • Last Modified Date
  • 2023-01-20T15:23:12
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:knot-dns:knot_dns:*:*:*:*:*:*:*:* 1 OR 2.4.4
cpe:2.3:a:knot-dns:knot_dns:2.5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:knot-dns:knot_dns:2.5.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
History
Created Old Value New Value Data Type Notes
2022-05-10 17:14:04 Added to TrackCVE
2022-12-02 18:31:01 2017-07-08T10:29Z 2017-07-08T10:29:00 CVE Published Date updated
2022-12-02 18:31:01 2020-09-18T19:15:13 CVE Modified Date updated
2022-12-02 18:31:01 Undergoing Analysis Vulnerability Status updated
2023-01-20 17:05:56 2023-01-20T15:23:12 CVE Modified Date updated
2023-01-20 17:05:56 Undergoing Analysis Analyzed Vulnerability Status updated