CVE-2022-40967 in DIAEnergie
Summary
by MITRE • 10/28/2022
The affected product DIAEnergie (versions prior to v1.9.01.002) is vulnerable to a SQL injection that exists in CheckIoTHubNameExisted. A low-privileged authenticated attacker could exploit this issue to inject arbitrary SQL queries.
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Analysis
by VulDB Data Team • 10/28/2022
The vulnerability identified as CVE-2022-40967 affects DIAEnergie software versions prior to v1.9.01.002 and represents a critical SQL injection flaw within the CheckIoTHubNameExisted function. This vulnerability exists in the context of IoT device management systems where authentication is required but the application fails to properly sanitize user inputs before incorporating them into database queries. The flaw allows an attacker with low privileges to manipulate the underlying database through carefully crafted inputs that are not properly escaped or validated.
The technical implementation of this vulnerability stems from improper input validation and query construction practices within the CheckIoTHubNameExisted function. When the application processes IoT hub name existence checks, it directly incorporates user-supplied parameters into SQL commands without adequate sanitization mechanisms. This creates an environment where malicious actors can inject SQL syntax elements such as semicolons, comments, or UNION statements that alter the intended query execution flow. The vulnerability is classified under CWE-89 as a SQL injection weakness, specifically manifesting in the context of an authentication-based system where user inputs are not properly escaped before database interaction.
The operational impact of this vulnerability extends beyond simple data retrieval as it provides an authenticated attacker with the capability to perform unauthorized database operations. An attacker could potentially extract sensitive information from the database, modify existing records, or even delete critical data depending on the permissions granted to the authenticated user account. The low privilege requirement makes this vulnerability particularly concerning as it does not necessitate administrative access to exploit. This aligns with ATT&CK technique T1071.004 for application layer protocol manipulation and T1213.002 for data from information repositories, as the vulnerability enables unauthorized data access and manipulation through database layer exploitation.
Mitigation strategies for this vulnerability require immediate implementation of parameterized queries or prepared statements throughout the application codebase, particularly within the CheckIoTHubNameExisted function. The software vendor should release a patched version that implements proper input validation and sanitization mechanisms before any database interactions occur. Additionally, implementing proper access controls and least privilege principles can limit the potential damage from successful exploitation attempts. Organizations should also consider implementing database activity monitoring and intrusion detection systems to identify suspicious query patterns that may indicate SQL injection attempts. The remediation process should include thorough code reviews focusing on all database interaction points and implementation of automated input validation frameworks to prevent similar issues in future releases.