Executive Summary

Informations
Name CVE-2019-16866 First vendor Publication 2019-10-03
Vendor Cve Last vendor Modification 2020-08-24

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16866

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-755 Improper Handling of Exceptional Conditions

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 151
Os 1

Sources (Detail)

Source Url
BUGTRAQ https://seclists.org/bugtraq/2019/Oct/23
DEBIAN https://www.debian.org/security/2019/dsa-4544
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
MISC https://github.com/NLnetLabs/unbound/blob/release-1.9.4/doc/Changelog
https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt
UBUNTU https://usn.ubuntu.com/4149-1/

Alert History

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Date Informations
2020-09-03 01:26:08
  • Multiple Updates
2020-05-23 02:26:15
  • Multiple Updates
2019-10-16 21:20:35
  • Multiple Updates
2019-10-12 00:20:58
  • Multiple Updates
2019-10-08 21:20:36
  • Multiple Updates
2019-10-04 00:20:05
  • First insertion