Discover the impact of CVE-2020-25657 on m2crypto, affecting all released versions. Learn about the Bleichenbacher timing attacks and how to mitigate the risk.
A flaw in all released versions of m2crypto makes them vulnerable to Bleichenbacher timing attacks in the RSA decryption API, posing a threat to confidentiality.
Understanding CVE-2020-25657
What is CVE-2020-25657?
This CVE identifies a vulnerability in m2crypto that allows for Bleichenbacher timing attacks in the RSA decryption API.
The Impact of CVE-2020-25657
The primary risk associated with this vulnerability is the compromise of confidentiality.
Technical Details of CVE-2020-25657
Vulnerability Description
The flaw in m2crypto enables attackers to exploit the RSA decryption API using timed processing of valid PKCS#1 v1.5 Ciphertext.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited through Bleichenbacher timing attacks in the RSA decryption API.
Mitigation and Prevention
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Apply patches and updates provided by the m2crypto vendor to address this vulnerability.