#VU74148 Improper Verification of Cryptographic Signature in OpenSSL - CVE-2023-0465

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Main Vulnerability Database Vulnerabilities #VU74148

#VU74148 Improper Verification of Cryptographic Signature in OpenSSL - CVE-2023-0465

Published: March 28, 2023 / Updated: October 11, 2023


Vulnerability identifier: #VU74148
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-0465
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSL
Software vendor:
OpenSSL Software Foundation

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to an error when validating certificate policies in leaf certificates. A remote attacker that controls a malicious CA server can issue a certificate that will be validated by the application.


Remediation

Install update from vendor's website.

External links