CVE-2017-7887 in ERP
Summary
by MITRE
Dolibarr ERP/CRM 4.0.4 has XSS in doli/societe/list.php via the sall parameter.
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Analysis
by VulDB Data Team • 09/25/2020
The vulnerability identified as CVE-2017-7887 represents a cross-site scripting flaw discovered in Dolibarr ERP/CRM version 4.0.4 affecting the company list page. This security weakness allows malicious actors to inject arbitrary web scripts into the application's user interface through the sall parameter within the doli/societe/list.php endpoint. The vulnerability stems from insufficient input validation and output sanitization mechanisms that fail to properly escape or filter user-supplied data before rendering it in the web interface. The affected parameter sall typically handles search queries or company name filters, making it a prime target for attackers seeking to exploit the system's lack of proper data sanitization controls.
This cross-site scripting vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically representing a reflected XSS attack vector where malicious payloads are injected through the web application's input parameters. The attack operates by tricking users into clicking malicious links containing crafted script code that gets executed in their browser context when the vulnerable page loads. The exploitation requires minimal privileges and can be executed through social engineering techniques or by compromising user sessions through phishing campaigns. The vulnerability enables attackers to potentially steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or extract sensitive information from the targeted environment.
The operational impact of this vulnerability extends beyond simple script injection, as it can facilitate more sophisticated attacks within the context of the targeted organization. An attacker could leverage this vulnerability to establish persistent access through session hijacking, execute malicious commands on the server, or use the compromised user interface as a launching point for further reconnaissance activities. The reflected nature of the XSS attack means that the malicious payload is not stored on the server but rather delivered through the vulnerable parameter, making it particularly challenging to detect and prevent without proper input validation mechanisms. This vulnerability affects the integrity of the application's user interface and can potentially compromise the confidentiality of user data through session theft or information disclosure.
Mitigation strategies for CVE-2017-7887 should prioritize immediate patching of the affected Dolibarr ERP/CRM version 4.0.4 to the latest available release containing the necessary security fixes. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application to prevent unauthorized script injection. The implementation of Content Security Policy headers can provide additional protection against XSS attacks by restricting the sources from which scripts can be loaded. Regular security assessments and web application firewalls should be deployed to monitor and filter malicious traffic patterns. According to the ATT&CK framework, this vulnerability aligns with the T1059.007 technique for command and scripting interpreter, specifically targeting web application interfaces. Organizations should also conduct regular security training for developers to ensure proper input sanitization practices and maintain updated security patches across all deployed applications. The vulnerability demonstrates the critical importance of implementing defense-in-depth strategies and proper web application security controls to prevent unauthorized access to sensitive business information and maintain the overall security posture of enterprise environments.