CVE-2023-50781 – M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657
https://notcve.org/view.php?id=CVE-2023-50781
A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data. Se encontró una falla en m2crypto. Este problema puede permitir que un atacante remoto descifre mensajes capturados en servidores TLS que utilizan intercambios de claves RSA, lo que puede provocar la exposición de datos confidenciales o sensibles. • https://access.redhat.com/security/cve/CVE-2023-50781 https://bugzilla.redhat.com/show_bug.cgi?id=2254426 • CWE-203: Observable Discrepancy CWE-208: Observable Timing Discrepancy •
CVE-2020-25657 – m2crypto: bleichenbacher timing attacks in the RSA decryption API
https://notcve.org/view.php?id=CVE-2020-25657
A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality. Se encontró un fallo en todas las versiones publicadas de m2crypto, donde son vulnerables a ataques de sincronización de Bleichenbacher en la API de descifrado RSA por medio del procesamiento cronometrado de texto cifrado PKCS#1 versión v1.5 válido. La mayor amenaza de esta vulnerabilidad es la confidencialidad • https://bugzilla.redhat.com/show_bug.cgi?id=1889823 https://access.redhat.com/security/cve/CVE-2020-25657 • CWE-203: Observable Discrepancy CWE-385: Covert Timing Channel •