[org.apache.sshd:sshd-common] Unsafe deserialization in Apache MINA SSHD

Class org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider in Apache MINA SSHD <= 2.9.1 uses Java deserialization to load a serialized java.security.PrivateKey. The class is one of several implementations that an implementor using Apache MINA SSHD can choose for loading the host keys of an SSH server.

References

• https://nvd.nist.gov/vuln/detail/CVE-2022-45047
• https://www.mail-archive.com/dev@mina.apache.org/msg39312.html
• https://github.com/apache/mina-sshd/commit/03238d51586f6b3c0bdbb1a23cf16799344d6c32
• https://github.com/apache/mina-sshd/commit/5a8fe830b2a2308a2b24ac8115a391af477f64f5
• https://github.com/advisories/GHSA-fhw8-8j55-vwgq