critical
9.8
CWE
502
Advisory Published
Advisory Published
Updated

CVE-2022-45047: Apache MINA SSHD: Java unsafe deserialization vulnerability

First published: Wed Nov 16 2022(Updated: )

A flaw was found in Apache MINA SSHD, when using Java deserialization to load a serialized java.security.PrivateKey. An attacker could benefit from unsafe deserialization by inserting unsecured data that may affect the application or server.

Credit: security@apache.org security@apache.org security@apache.org

Affected SoftwareAffected VersionHow to fix
maven/org.apache.sshd:sshd-core<2.1.0
2.9.2
maven/org.apache.sshd:sshd-common<2.9.2
2.9.2
redhat/jenkins<2-plugins-0:4.11.1683009941-1.el8
2-plugins-0:4.11.1683009941-1.el8
redhat/jenkins<2-plugins-0:4.12.1675702407-1.el8
2-plugins-0:4.12.1675702407-1.el8
redhat/eap7-apache-sshd<0:2.9.2-1.redhat_00001.1.el8ea
0:2.9.2-1.redhat_00001.1.el8ea
redhat/eap7-apache-sshd<0:2.9.2-1.redhat_00001.1.el9ea
0:2.9.2-1.redhat_00001.1.el9ea
redhat/eap7-apache-sshd<0:2.9.2-1.redhat_00001.1.el7ea
0:2.9.2-1.redhat_00001.1.el7ea
redhat/jenkins<2-plugins-0:4.10.1675144701-1.el8
2-plugins-0:4.10.1675144701-1.el8
redhat/jenkins<2-plugins-0:4.9.1675668922-1.el8
2-plugins-0:4.9.1675668922-1.el8
redhat/rh-sso7-keycloak<0:18.0.6-1.redhat_00001.1.el7
0:18.0.6-1.redhat_00001.1.el7
redhat/rh-sso7-keycloak<0:18.0.6-1.redhat_00001.1.el8
0:18.0.6-1.redhat_00001.1.el8
redhat/rh-sso7-keycloak<0:18.0.6-1.redhat_00001.1.el9
0:18.0.6-1.redhat_00001.1.el9
redhat/vdsm<0:4.50.3.6-1.el8e
0:4.50.3.6-1.el8e
redhat/apache-sshd<1:2.9.2-0.1.el8e
1:2.9.2-0.1.el8e
Apache Sshd<=2.9.1
redhat/sshd<2.9.2
2.9.2

Remedy

From the maintainer: For Apache MINA SSHD <= 2.9.1, do not use org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider to generate and later load your server's host key. Use separately generated host key files, for instance in OpenSSH format, and load them via a org.apache.sshd.common.keyprovider.FileKeyPairProvider instead. Or use a custom implementation instead of SimpleGeneratorHostKeyProvider that uses the OpenSSH format for storing and loading the host key (via classes OpenSSHKeyPairResourceWriter and OpenSSHKeyPairResourceParser).

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-45047?

    CVE-2022-45047 is a vulnerability found in Apache MINA SSHD that allows for arbitrary code execution.

  • How severe is CVE-2022-45047?

    CVE-2022-45047 has a severity rating of critical, with a CVSS score of 9.8.

  • What is the affected software for CVE-2022-45047?

    The affected software for CVE-2022-45047 includes Apache MINA SSHD versions <= 2.9.1, org.apache.sshd:sshd-core version <= 2.1.0, and org.apache.sshd:sshd-common version <= 2.9.2.

  • How do I fix CVE-2022-45047?

    To fix CVE-2022-45047, upgrade to Apache MINA SSHD 2.9.2 or later, org.apache.sshd:sshd-core 2.1.0 or later, or org.apache.sshd:sshd-common 2.9.2 or later.

  • Where can I find more information about CVE-2022-45047?

    You can find more information about CVE-2022-45047 on the NIST NVD website, the Apache MINA SSHD mailing list, and the GitHub commit page.

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