CVE-2016-6171

CVSS V2 Medium 5 CVSS V3 High 8.6
Description
Knot DNS before 2.3.0 allows remote DNS servers to cause a denial of service (memory exhaustion and slave server crash) via a large zone transfer for (1) DDNS, (2) AXFR, or (3) IXFR.
Overview
  • CVE ID
  • CVE-2016-6171
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2017-02-09T15:59:01
  • Last Modified Date
  • 2020-06-11T19:43:40
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:knot-dns:knot_dns:*:*:*:*:*:*:*:* 1 OR 2.3.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 8.6
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://lists.dns-oarc.net/pipermail/dns-operations/2016-July/015058.html Technical Description
https://gitlab.labs.nic.cz/labs/knot/issues/464 Vendor Advisory
https://gitlab.labs.nic.cz/labs/knot/blob/c546a70563ef4c7badb7cb5bdf6d1ba8e7adae82/NEWS Release Notes VDB Entry
https://github.com/sischkg/xfer-limit/blob/master/README.md Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/06/4 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/06/3 Mailing List Third Party Advisory
http://www.securityfocus.com/bid/91678 Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-6171
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6171
History
Created Old Value New Value Data Type Notes
2022-05-10 17:28:23 Added to TrackCVE
2022-12-02 13:47:07 2017-02-09T15:59Z 2017-02-09T15:59:01 CVE Published Date updated
2022-12-02 13:47:07 2020-06-11T19:43:40 CVE Modified Date updated
2022-12-02 13:47:07 Analyzed Vulnerability Status updated