CVE-2015-4528 in Documentum CenterStorage
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in EMC Documentum CenterStage 1.2SP1 and 1.2SP2 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 06/03/2022
The CVE-2015-4528 vulnerability represents a critical cross-site scripting flaw discovered in EMC Documentum CenterStage versions 1.2SP1 and 1.2SP2, exposing organizations to significant web application security risks. This vulnerability specifically affects the Documentum CenterStage platform, which serves as a content management and collaboration solution for enterprise environments. The flaw permits remote authenticated attackers to execute malicious web scripts or HTML code within the context of affected systems, potentially compromising user sessions and data integrity. The vulnerability's impact extends beyond simple script injection, as it can enable attackers to manipulate user interfaces, steal session cookies, and potentially escalate privileges within the application's security boundaries.
The technical nature of this XSS vulnerability stems from insufficient input validation and output encoding mechanisms within the Documentum CenterStage application. Attackers can exploit this weakness by submitting malicious payloads through unspecified vectors that are not clearly documented in the initial vulnerability report. These vectors likely involve form fields, URL parameters, or other user-controllable input points within the application's interface where user-supplied data is not adequately sanitized before being rendered back to users. The vulnerability's classification aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. This weakness allows attackers to inject malicious scripts that execute in the victim's browser context, potentially leading to session hijacking, data theft, or unauthorized actions performed on behalf of legitimate users.
The operational impact of CVE-2015-4528 extends beyond immediate exploitation potential, as it fundamentally undermines the trust model of the Documentum CenterStage platform. Organizations utilizing this content management solution face elevated risks of unauthorized data access, content manipulation, and potential lateral movement within their network infrastructure. The vulnerability's authentication requirement means that attackers must first establish valid credentials, but this does not significantly reduce the risk since legitimate users with compromised accounts can still exploit the flaw. From an attacker's perspective, this vulnerability aligns with ATT&CK technique T1059.007 for script injection and T1531 for lateral movement through compromised user accounts. The impact is particularly severe in enterprise environments where Documentum CenterStage serves as a central repository for sensitive business documents and collaborative content.
Organizations should implement immediate mitigation strategies to address this vulnerability, including applying the vendor-provided security patches and updates released for EMC Documentum CenterStage. Additionally, network segmentation and web application firewalls can provide additional protective layers against exploitation attempts. Input validation should be strengthened across all user-controllable parameters, with proper output encoding implemented to prevent script execution in browser contexts. Security teams should conduct comprehensive vulnerability assessments to identify other potential XSS vulnerabilities within the Documentum CenterStage environment and related applications. The mitigation approach should follow established security frameworks such as the OWASP Top Ten and NIST cybersecurity guidelines, emphasizing the importance of defense-in-depth strategies. Regular security testing including automated scanning and manual penetration testing will help ensure that similar vulnerabilities are not present in other components of the Documentum ecosystem. Organizations should also consider implementing security awareness training for administrators and users to recognize potential exploitation attempts and maintain proper access control measures.