A major vulnerability - _Cleartext Storage of Sensitive Information in Memory_ - has been discovered affecting Mitsubishi Electric Corporation's GX Works3 versions 1.015R and later, GX Works2 all versions, and GX Developer versions 8.40S and later, which are popular software tools used for PLC programming and setup. This vulnerability is identified with the code CVE-2022-29832 and can be exploited by remote unauthenticated attackers to disclose sensitive project file information.
Vulnerability Details
The vulnerability exists due to the cleartext storage of sensitive information in memory, which means that unencrypted sensitive information is stored in the memory of the affected software, therefore can be accessed and exploited by an attacker. As a result, unauthenticated users could potentially obtain information about the project file for MELSEC safety CPU modules or project file for MELSEC Q/FX/L series with security setting.
This exploit has grave implications for affected systems as it can lead to unauthorized disclosure of sensitive information, potentially resulting in data breaches, disruptions to the target's infrastructure, and even the hijacking of control processes.
Proof of Concept
While an exact code snippet exposing this vulnerability is not provided, it's likely that a successful exploit would involve accessing memory locations that store sensitive information. The attacker, capable of analyzing the memory dumps from affected systems, could reveal details about the project files, security configuration, and other sensitive data.
Original References
To learn more about the vulnerability and stay updated with the latest patches and remediations, check the following resources:
1. Mitsubishi Electric Corporation's original advisory
2. CVE-2022-29832 on the National Vulnerability Database (NVD)
3. Mitsubishi Electric Corporation - Official website
Exploit Prevention and Workarounds
Currently, there is no patch available for this vulnerability. However, Mitsubishi Electric Corporation is actively working towards releasing a security update to address the issue. In the meantime, users are advised to implement the following precautions to decrease the risk of exploitation:
- Limit exposure and access to the affected software by restricting its use to trusted networks and authenticated users only.
- Regularly monitor the state of the system, specifically for any unauthorized changes or unauthorized access.
- Keep the affected software up to date and apply all Mitsubishi Electric Corporation's security updates.
- Regularly audit sensitive memory data to detect leaks or potential exposure of sensitive information.
When the security update becomes available, users are strongly advised to apply the patch as soon as possible. Be vigilant in protecting your systems and stay informed on any potential developments in this vulnerability.
Conclusion
CVE-2022-29832 is a serious vulnerability present in Mitsubishi Electric Corporation's GX Works software suite, which can allow unauthenticated attackers to disclose sensitive information. Users of the affected software should be cautious and take immediate measures to protect their systems and sensitive data from this exploit. Regularly reviewing application logs, isolating software use to trusted networks, and applying security updates as they become available will help mitigate the risk of exploitation. Due to the potential for widespread disruption, keeping abreast of the latest developments is essential for maintaining a strong security posture.
Timeline
Published on: 11/25/2022 00:15:00 UTC
Last modified on: 05/31/2023 07:15:00 UTC