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CVE-2025-26795: Unauthorized Exposure and Insertion of Sensitive Information in Apache IoTDB JDBC driver

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Overview

The vulnerability described herein, CVE-2025-26795, pertains to the Apache IoTDB JDBC driver. It has the potential to expose sensitive data to unauthorized actors and allows for the insertion of sensitive data into the log file. This vulnerability has a notable impact on users of iotdb-jdbc from versions 0.10.0 to 1.3.3, as well as 2.0.1-beta prior to 2.0.2. Given its severity and potential for system compromise or data leakage, it is a vulnerability that requires immediate attention.

Vulnerability Summary

CVE ID: CVE-2025-26795
Severity: High (7.5 CVSS)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized exposure and insertion of sensitive information leading to system compromise or data leakage

Affected Products

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Product | Affected Versions

iotdb-jdbc | 0.10.0 through 1.3.3, 2.0.1-beta before 2.0.2

How the Exploit Works

This vulnerability allows an attacker to exploit the Apache IoTDB JDBC driver to expose sensitive information to unauthorized actors. This is possible due to a flaw in the driver’s handling of data, which inadvertently logs sensitive data, thereby making it accessible to unauthorized persons. Additionally, the flaw allows for the insertion of potentially malicious data into the log file, further exacerbating the risk.

Conceptual Example Code

While the exact implementation of the exploit may vary, a conceptual example may resemble the following:

// Instantiate a vulnerable JDBC driver
Driver driver = new IoTDBJDBC();
// Insert sensitive data into log
driver.log(Level.INFO, "Sensitive Information: {0}", new Object[] {sensitiveInfo});
// Expose sensitive data
String exposedData = driver.getLogfile();

This conceptual example demonstrates how an attacker might manipulate the logging functionality of the vulnerable driver to insert sensitive data. This subsequently exposes this data in the log file, accessible to unauthorized actors.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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