ZDI-26-447: Heimdall Data Database Proxy generateFileContent CRLF Injection Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Heimdall Data Database Proxy. Authentication is required to exploit this vulnerability. The specific flaw exists within the generateFileContent function. The issue results from the lack of proper neutralization of CRLF sequences. An attacker can leverage this vulnerability to execute code in the context of root.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Heimdall Data Database Proxy. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2026-12357.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The attacker must authenticate to an affected Heimdall Data Database Proxy installation. Exploitation is remote and does not require user interaction.
What is the impact if exploitation succeeds?
An authenticated remote attacker can execute arbitrary code in the context of root. This can result in complete compromise of confidentiality, integrity, and availability on the affected system.
What flaw is exploited?
The issue is a CRLF injection weakness in the generateFileContent function caused by improper neutralization of CRLF sequences.