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MitreCVE-2023-35784

HistoryJun 16, 2023 - 8:15 p.m.

CVE-2023-35784

2023-06-1620:15:09

CWE-415

CWE-416

mitre

web.nvd.nist.gov

340

cve-2023-35784

openbsd

ssl

libressl

openssl

vulnerability

security

nvd

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.003

Percentile

65.6%

JSON

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.

Affected configurations

Nvd

Node

openbsdlibresslRange<3.6.3

openbsdlibresslRange3.7.0–3.7.3

openbsdopenbsdMatch7.2

openbsdopenbsdMatch7.3

VendorProductVersionCPE
openbsdlibressl*cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:*
openbsdopenbsd7.2cpe:2.3:o:openbsd:openbsd:7.2:*:*:*:*:*:*:*
openbsdopenbsd7.3cpe:2.3:o:openbsd:openbsd:7.3:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
openbsd	libressl	*	cpe:2.3:a:openbsd:libressl::::::::
openbsd	openbsd	7.2	cpe:2.3:o:openbsd:openbsd:7.2:::::::*
openbsd	openbsd	7.3	cpe:2.3:o:openbsd:openbsd:7.3:::::::*

References

ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.6.3-relnotes.txt

ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-3.7.3-relnotes.txt

ftp.openbsd.org/pub/OpenBSD/patches/7.2/common/026_ssl.patch.sig

ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/004_ssl.patch.sig

github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.003

Percentile

65.6%

JSON

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