CVE-2022-26131 Explained : Impact and Mitigation
Critical CVE-2022-26131: Learn about the vulnerability in Power Line Communications PLC4TRUCKS J2497 trailer receivers to remote RF induced signals. Mitigation steps included.
Power Line Communications PLC4TRUCKS J2497 trailer receivers are susceptible to remote RF induced signals.
Understanding CVE-2022-26131
This CVE involves improper protection against electromagnetic fault injection in Trailer Power Line Communications (PLC) J2497, affecting PLC4TRUCKS trailers.
What is CVE-2022-26131?
CVE-2022-26131 highlights a vulnerability in PLC4TRUCKS J2497 trailer receivers that makes them vulnerable to remote RF induced signals.
The Impact of CVE-2022-26131
The vulnerability is rated as critical with a CVSS base score of 9.3. It poses a high availability impact and a high integrity impact, affecting Power Line Communications trailer receivers.
Technical Details of CVE-2022-26131
The vulnerability is characterized by a low attack complexity and an adjacent network attack vector. It requires no privileges and no user interaction, with the scope changed upon exploitation.
Vulnerability Description
The vulnerable PLC4TRUCKS J2497 trailer receivers are susceptible to remote RF induced signals, leading to potential security risks.
Affected Systems and Versions
The affected product is PLC4TRUCKS by Power Line Communications, specifically version J2497.
Exploitation Mechanism
The vulnerability can be exploited through remote RF induced signals, impacting the trailer receivers' functionality.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-26131, immediate steps must be taken along with long-term security practices.
Immediate Steps to Take
Implementing a LAMP ON firewall for each ECU, using a LAMP detect circuit with each trailer, changing addresses dynamically, and installing RF chokes on each trailer are necessary immediate steps.
Long-Term Security Practices
For long-term security, dropping unnecessary J2497 features, migrating diagnostics to newer trailer buses, and removing support for non-LAMP messages are recommended.
Patching and Updates
It is crucial to follow NMFTA's detailed guidelines on mitigating the vulnerability by implementing the suggested solutions provided.