#VU71996 Double Free in OpenSSL - CVE-2022-4450

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Main Vulnerability Database Vulnerabilities #VU71996

#VU71996 Double Free in OpenSSL - CVE-2022-4450

Published: February 7, 2023 / Updated: January 5, 2024


Vulnerability identifier: #VU71996
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-4450
CWE-ID: CWE-415
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 a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the PEM_read_bio_ex() function. A remote attacker can pass specially crafted PEM file to the application, trigger a double free error and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links