CVE-2020-7994 in ERP CRM
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Dolibarr 10.0.6 allow remote attackers to inject arbitrary web script or HTML via the (1) label[libelle] parameter to the /htdocs/admin/dict.php?id=3 page; the (2) name[constname] parameter to the /htdocs/admin/const.php?mainmenu=home page; the (3) note[note] parameter to the /htdocs/admin/dict.php?id=10 page; the (4) zip[MAIN_INFO_SOCIETE_ZIP] or email[mail] parameter to the /htdocs/admin/company.php page; the (5) url[defaulturl], field[defaultkey], or value[defaultvalue] parameter to the /htdocs/admin/defaultvalues.php page; the (6) key[transkey] or key[transvalue] parameter to the /htdocs/admin/translation.php page; or the (7) [main_motd] or [main_home] parameter to the /htdocs/admin/ihm.php page.
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Analysis
by VulDB Data Team • 03/26/2024
The vulnerability described in CVE-2020-7994 represents a critical cross-site scripting flaw affecting Dolibarr version 10.0.6, a widely used open-source ERP and CRM system. This vulnerability manifests across multiple administrative pages within the application's interface, creating numerous entry points for malicious actors to execute arbitrary web scripts or HTML code. The affected parameters span various administrative functions including dictionary management, company configuration, default values settings, translation management, and interface customization features, indicating a systemic issue in the application's input sanitization mechanisms.
These cross-site scripting vulnerabilities fall under CWE-79 which specifically addresses improper neutralization of input during web page generation, making them particularly dangerous as they allow attackers to inject malicious code that executes in the context of other users' browsers. The attack vectors are diverse and target different administrative modules, with the most significant impact occurring through parameters such as label[libelle] in dict.php, name[constname] in const.php, and note[note] in dict.php. Each of these parameters represents a distinct injection point where unvalidated user input is directly reflected back to the browser without proper sanitization or encoding.
The operational impact of these vulnerabilities extends beyond simple script injection, as they can be leveraged to steal session cookies, perform unauthorized actions on behalf of authenticated users, or redirect victims to malicious websites. Attackers can exploit these flaws to establish persistent access to the administrative interface, potentially leading to complete system compromise. The vulnerability affects all users who have administrative privileges, making it particularly dangerous in environments where multiple administrators interact with the system. The widespread nature of the affected parameters suggests that the application's input validation is insufficiently implemented across its core administrative components.
Security practitioners should immediately implement mitigations including comprehensive input validation, output encoding, and the implementation of Content Security Policy headers to prevent script execution. The ATT&CK framework categorizes these vulnerabilities under TA0001 Initial Access and TA0002 Execution techniques, as attackers can use these flaws to gain initial access and then execute malicious payloads. Organizations using Dolibarr should prioritize updating to patched versions, implementing web application firewalls, and conducting thorough security assessments of their administrative interfaces. Additionally, regular security training for administrators and implementing proper input sanitization practices throughout the application codebase are essential defensive measures against similar vulnerabilities in the future.
The vulnerability demonstrates the critical importance of proper input validation in web applications, particularly within administrative interfaces where privileged access exists. The presence of multiple injection points indicates that the application's security model requires comprehensive review and strengthening of its data sanitization processes. Organizations should consider implementing automated security scanning tools to identify similar vulnerabilities in other applications and establish robust code review processes that specifically address XSS prevention techniques. The attack surface remains particularly concerning given that these parameters are accessible through standard administrative workflows, making exploitation relatively straightforward for attackers with basic knowledge of web application security principles.