CVE-2023-35784

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt	Release Notes
https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt	Release Notes
https://ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig	Patch
https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig	Patch
https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:openbsd:libressl::::::::
	cpe:2.3:a:openbsd:libressl::::::::
	cpe:2.3:o:openbsd:openbsd:7.2:::::::*
	cpe:2.3:o:openbsd:openbsd:7.3:::::::*

History

No history.

Information

Published : 2023-06-16 20:15

Updated : 2023-11-06 22:15

NVD link : CVE-2023-35784

Mitre link : CVE-2023-35784

CVE.ORG link : CVE-2023-35784

JSON object : View

Products Affected

openbsd

libressl
openbsd

CWE

CWE-415

Double Free

CWE-416

Use After Free

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