Related Vulnerabilities: 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.

Severity Medium

Remote No

Type Private key recovery

Description

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.

AVG-1441 python-m2crypto, python2-m2crypto 0.37.1-1 Medium Vulnerable

https://gitlab.com/m2crypto/m2crypto/-/issues/285
https://gitlab.com/m2crypto/m2crypto/-/issues/282