Executive Summary

Informations
Name CVE-2023-35784 First vendor Publication 2023-06-16
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High 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 double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3. NOTE: OpenSSL is not affected.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-35784

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-416 Use After Free
50 % CWE-415 Double Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 2

Sources (Detail)

https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt
https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig
https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef...
Source Url

Alert History

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Date Informations
2024-11-28 14:27:00
  • Multiple Updates
2023-11-07 00:27:45
  • Multiple Updates
2023-06-27 05:27:21
  • Multiple Updates
2023-06-17 09:27:19
  • Multiple Updates
2023-06-17 00:27:18
  • First insertion