CVE-2024-0727

CVSS 3.1 Score 5.5 of 10 (medium)

Details

Published Jan 26, 2024
Updated: Feb 8, 2024

Summary

CVE-2024-0727 is a vulnerability that affects applications using OpenSSL APIs to process PKCS12 files from untrusted sources. This vulnerability can lead to a potential Denial of Service attack, causing applications to terminate abruptly. The issue arises from OpenSSL not correctly checking for NULL fields in the PKCS12 specification, resulting in a NULL pointer dereference and crashing of OpenSSL. Remediation for this vulnerability involves updating the affected OpenSSL APIs, including PKCS12_parse(), PKCS12_unpack_p7data(), PKCS12_unpack_p7encdata(), PKCS12_unpack_authsafes(), and PKCS12_newpass(). If left unpatched, this vulnerability poses a medium risk with a base score of 5.5 according to CVSS:3.1, with an exploitability score of 1.8 and high availability impact.

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