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.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25657
Reference (s):
- https://bugzilla.redhat.com/show_bug.cgi?id=1889823
- URL: https://bugzilla.redhat.com/show_bug.cgi?id=1889823