CVE-2022-32290 : What You Need to Know

A detailed analysis of CVE-2022-32290 regarding Incorrect Access Control in the Mender client library.

Understanding CVE-2022-32290

This CVE highlights an Incorrect Access Control vulnerability in the Northern.tech Mender client, potentially exposing devices to unauthorized access.

What is CVE-2022-32290?

The client in Northern.tech Mender 3.2.0, 3.2.1, and 3.2.2 listens on all network interfaces instead of just the localhost interface, allowing any client on the network to connect and send HTTP requests, potentially increasing the attack surface.

The Impact of CVE-2022-32290

While accessing the HTTP proxy from the local network may not pose an immediate threat, it can serve as a potential vector to exploit vulnerabilities on both the client and server sides.

Technical Details of CVE-2022-32290

This section provides a deeper look into the vulnerability specifics.

Vulnerability Description

The Mender client's incorrect access control allows any client on the same network to connect and send HTTP requests, possibly bypassing mTLS authentication.

Affected Systems and Versions

Northern.tech Mender versions 3.2.0, 3.2.1, and 3.2.2 are affected by this vulnerability.

Exploitation Mechanism

Attackers can connect to the TCP port of the Mender client, sending requests that the client will forward to the Mender server, potentially bypassing mTLS authentication.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to address CVE-2022-32290.

Immediate Steps to Take

Ensure proper network segmentation and restrict access to the Mender client's TCP port. Regularly monitor network traffic for any suspicious activity.

Long-Term Security Practices

Consider updating to a patched version of Mender client software and configure mTLS properly to prevent unauthorized access.

Patching and Updates

Stay informed about security updates from Northern.tech and apply patches promptly to mitigate the risk of unauthorized access.