Deserialization of Untrusted Data in Apache Mina SSHD - CVE-2022-45047

 

Deserialization of Untrusted Data in Apache Mina SSHD - CVE-2022-45047

Published: December 28, 2022 / Updated: April 7, 2023


Vulnerability identifier: #VU70530
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2022-45047
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Apache Foundation
Affected software:
Apache Mina SSHD

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data within the org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider class. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2022-45047

Install updates from vendor's website.

Sources