CVE-2022-41629 : Exploit Details and Defense Strategies

A security vulnerability, identified as CVE-2022-41629, exists in the InfraSuite Device Master software developed by Delta Electronics. This vulnerability allows unauthenticated users to access a specific endpoint, potentially leading to unauthorized retrieval and modification of critical configuration files.

Understanding CVE-2022-41629

What is CVE-2022-41629?

Delta Electronics InfraSuite Device Master versions 00.00.01a and earlier permit unauthenticated users to access the 'aprunning' endpoint. This exposure could enable malicious actors to extract files from the 'RunningConfigs' directory, including sensitive configuration files such as UserListInfo.xml, posing a risk of unauthorized access to administrative passwords.

The Impact of CVE-2022-41629

The CVSS v3.1 score for this vulnerability is rated as 7.5, indicating a high severity level. The attack complexity is deemed low, with no privileges required for exploitation. While the availability impact is none, the confidentiality impact is high.

Technical Details of CVE-2022-41629

Vulnerability Description

The vulnerability, categorized as CWE-306 (Missing Authentication for Critical Function), allows unauthenticated access to a critical endpoint in Delta Electronics InfraSuite Device Master, potentially leading to the exposure of sensitive configuration files.

Affected Systems and Versions

InfraSuite Device Master versions up to and including 00.00.01a are confirmed to be affected by this vulnerability. Users of these versions are at risk of unauthorized access and modification of critical files.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by accessing the 'aprunning' endpoint without requiring authentication. This could result in the compromise of sensitive configuration files and administrative passwords.

Mitigation and Prevention

Immediate Steps to Take

Users of Delta Electronics InfraSuite Device Master are advised to upgrade to a patched version that addresses the identified vulnerability. Implementing proper access controls and restricting unauthorized network access can help mitigate the risk of exploitation.

Long-Term Security Practices

To enhance overall security posture, consider implementing regular security assessments, educating users on best security practices, and staying informed about software vulnerabilities and updates.

Patching and Updates

Stay proactive in applying security patches released by Delta Electronics to address vulnerabilities like the one identified in CVE-2022-41629 and ensure the protection of critical systems and data.