CVE-2012-4569 in LetoDMS
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in out/out.UsrMgr.php in LetoDMS (formerly MyDMS) before 3.3.9 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 11/30/2019
The CVE-2012-4569 vulnerability represents a critical cross-site scripting flaw discovered in LetoDMS, formerly known as MyDMS, versions prior to 3.3.9. This vulnerability specifically affects the out/out.UsrMgr.php component of the document management system, which serves as a user management interface for the application. The vulnerability allows remote attackers to inject malicious web scripts or HTML code into the application's user interface, potentially compromising user sessions and data integrity. Such vulnerabilities are particularly dangerous in document management systems where users may have varying privilege levels and where sensitive organizational data is stored and managed. The unspecified vectors suggest that the vulnerability could be exploited through multiple attack paths, making it particularly challenging to defend against comprehensively.
The technical nature of this vulnerability aligns with CWE-79, which defines cross-site scripting as a weakness that occurs when an application incorporates untrusted data into web pages without proper validation or escaping. The flaw in LetoDMS's UsrMgr.php component demonstrates a classic input validation failure where user-supplied data is directly incorporated into the application's output without adequate sanitization. This allows attackers to craft malicious payloads that execute in the context of other users' browsers when they view the affected pages. The vulnerability could be exploited through various means including form submissions, URL parameters, or other input mechanisms that the application uses to process user data within the user management interface.
The operational impact of CVE-2012-4569 extends beyond simple script injection, potentially enabling attackers to perform session hijacking, steal sensitive user credentials, or redirect victims to malicious websites. In the context of a document management system like LetoDMS, this vulnerability could compromise access to confidential business documents, user authentication tokens, and sensitive organizational data. The attack surface is particularly concerning because user management interfaces often contain privileged information and administrative functions. Attackers could leverage this vulnerability to escalate privileges, create new user accounts, or manipulate existing user permissions, potentially leading to complete system compromise. The remote nature of the attack means that exploitation does not require physical access to the system, making it accessible to attackers anywhere on the internet.
Mitigation strategies for this vulnerability should include immediate patching to version 3.3.9 or later, which contains the necessary fixes for the XSS vulnerabilities. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application to prevent similar issues in the future. The principle of least privilege should be enforced in user management interfaces, ensuring that only authorized users can access sensitive administrative functions. Additionally, regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities. The remediation process should follow established security frameworks such as those outlined in the OWASP Top Ten and NIST cybersecurity guidelines, ensuring that all input is properly validated and that output is appropriately escaped to prevent script execution in web contexts. Organizations should also consider implementing web application firewalls and content security policies as additional defensive measures to protect against XSS attacks.