Executive Summary

Informations
Name CVE-2023-4236 First vendor Publication 2023-09-20
Vendor Cve Last vendor Modification 2024-02-01

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 :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A flaw in the networking code handling DNS-over-TLS queries may cause `named` to terminate unexpectedly due to an assertion failure. This happens when internal data structures are incorrectly reused under significant DNS-over-TLS query load. This issue affects BIND 9 versions 9.18.0 through 9.18.18 and 9.18.11-S1 through 9.18.18-S1.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4236

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-617 Reachable Assertion

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 672
Os 2
Os 3

Sources (Detail)

Source Url
MISC http://www.openwall.com/lists/oss-security/2023/09/20/2
https://kb.isc.org/docs/cve-2023-4236
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://security.netapp.com/advisory/ntap-20231013-0004/
https://www.debian.org/security/2023/dsa-5504

Alert History

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Date Informations
2024-02-01 21:28:17
  • Multiple Updates
2024-02-01 17:26:58
  • Multiple Updates
2024-02-01 13:28:00
  • Multiple Updates
2024-02-01 12:30:59
  • Multiple Updates
2024-02-01 05:27:53
  • Multiple Updates
2023-12-01 02:34:16
  • Multiple Updates
2023-11-04 00:27:43
  • Multiple Updates
2023-10-14 05:27:42
  • Multiple Updates
2023-10-11 09:27:35
  • Multiple Updates
2023-09-28 09:27:30
  • Multiple Updates
2023-09-23 09:27:22
  • Multiple Updates
2023-09-23 02:30:05
  • Multiple Updates
2023-09-23 00:27:20
  • Multiple Updates
2023-09-20 21:27:20
  • Multiple Updates
2023-09-20 17:27:31
  • First insertion