CVE-2013-2092 in ERP CRM
Summary
by MITRE
Cross-site Scripting (XSS) in Dolibarr ERP/CRM 3.3.1 allows remote attackers to inject arbitrary web script or HTML in functions.lib.php.
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Analysis
by VulDB Data Team • 02/23/2024
The vulnerability identified as CVE-2013-2092 represents a critical cross-site scripting flaw discovered in Dolibarr ERP/CRM version 3.3.1. This vulnerability exists within the functions.lib.php file, which serves as a core library function file for the application. The flaw allows remote attackers to inject malicious web scripts or HTML content into the application's output, potentially compromising user sessions and data integrity. The vulnerability stems from inadequate input validation and output sanitization mechanisms within the application's core libraries, making it particularly dangerous as it affects fundamental application functionality rather than isolated components.
The technical implementation of this XSS vulnerability occurs when user-supplied input is not properly escaped or filtered before being rendered in web pages. Attackers can exploit this weakness by crafting malicious payloads that get executed in the context of other users' browsers. The functions.lib.php file, being a central library, likely handles various user inputs and outputs across multiple application modules, amplifying the impact of this vulnerability. This flaw falls under CWE-79 which specifically addresses cross-site scripting vulnerabilities, where improper validation of input data leads to execution of malicious scripts in user browsers. The vulnerability's remote nature means attackers do not require physical access or local network privileges to exploit it, making it particularly dangerous in web-facing applications.
The operational impact of CVE-2013-2092 extends beyond simple script injection, potentially enabling attackers to perform session hijacking, deface web applications, steal sensitive information, or redirect users to malicious sites. In an ERP/CRM environment, where sensitive business data and personal information are handled, this vulnerability could lead to significant data breaches and financial losses. The exploitation could result in unauthorized access to customer records, financial data, employee information, and other confidential business assets. Additionally, the attack could be used to establish persistent access through techniques such as cookie theft or credential harvesting, as outlined in the attack pattern taxonomy of the ATT&CK framework where such vulnerabilities are categorized under initial access and credential access phases.
Mitigation strategies for this vulnerability should include immediate application patching to the latest stable version of Dolibarr where the XSS flaw has been addressed. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application, particularly in library functions that handle user data. The implementation of Content Security Policy headers can provide additional protection against script injection attacks. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. Security measures should also include monitoring for suspicious user activities and implementing proper access controls to limit potential damage from successful exploitation attempts. Organizations should also consider implementing web application firewalls as an additional protective layer against known attack patterns associated with XSS vulnerabilities.