CVE-2024-40511 in openPetra
Summary
by MITRE • 09/27/2024
Cross Site Scripting vulnerability in openPetra v.2023.02 allows a remote attacker to obtain sensitive information via the serverMServerAdmin.asmx function.
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Analysis
by VulDB Data Team • 03/09/2025
The cross site scripting vulnerability identified as CVE-2024-40511 affects the openPetra financial management system version 2023.02, specifically within the serverMServerAdmin.asmx web service endpoint. This vulnerability represents a critical security flaw that enables remote attackers to execute malicious scripts in the context of a victim's browser session. The affected component serves as a server-side administration interface that handles various administrative functions within the openPetra platform, making it a prime target for exploitation. The vulnerability stems from insufficient input validation and output encoding mechanisms within the web service implementation, allowing malicious payloads to be injected and subsequently executed in the victim's browser environment.
The technical exploitation of this XSS vulnerability occurs through the serverMServerAdmin.asmx function which processes incoming requests without adequate sanitization of user-supplied input parameters. Attackers can craft malicious requests containing script code that gets executed when the vulnerable application renders responses to legitimate users. This particular implementation flaw aligns with CWE-79 which categorizes cross site scripting as a weakness where applications fail to properly encode or validate output sent to web browsers. The vulnerability enables attackers to perform session hijacking, steal sensitive cookies, redirect users to malicious sites, or inject malicious content that can compromise the integrity of the application and its data.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to access sensitive information within the administrative interface. Given that the affected service handles server administration functions, successful exploitation could potentially allow attackers to escalate privileges, access confidential financial data, manipulate user accounts, or gain deeper system access. The remote nature of the attack means that adversaries do not require physical access to the system or local network presence to exploit the vulnerability. This makes the attack surface significantly larger and increases the potential for widespread impact across organizations using the vulnerable openPetra version. The vulnerability creates a persistent threat vector that can be leveraged for ongoing surveillance and data exfiltration activities.
Organizations utilizing openPetra v.2023.02 should immediately implement comprehensive mitigations including input validation and output encoding controls to prevent script injection attacks. The recommended approach involves implementing strict sanitization of all user inputs and ensuring proper HTML encoding of dynamic content before rendering in web responses. Security patches should be applied promptly to address the underlying vulnerability in the serverMServerAdmin.asmx component. Network segmentation and web application firewalls can provide additional defense-in-depth measures to detect and block malicious traffic targeting this specific endpoint. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the application's codebase. The ATT&CK framework categorizes this type of vulnerability under T1059.007 for scripting and T1566 for spearphishing with attachments, emphasizing the need for comprehensive defensive measures against such exploitation techniques. Organizations should also implement proper access controls and monitoring mechanisms to detect unauthorized access attempts to administrative functions.