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

9.8CRITICAL

Key Information:

Vendor

Apache
Status
Apache Mina Sshd
Vendor
CVE Published:
16 November 2022

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2022-45047?

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.

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Affected Version(s)

Apache MINA SSHD <= 2.9.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2022-45047
Created by hktalent

References

https://www.mail-archive.com/dev%40mina.apache.org/msg393...

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

The Apache MINA SSHD team would like to thank Zhang Zewei, NOFOCUS, for reporting this issue.
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