CVE-2015-1588 in Server
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Open-Xchange Server 6 and OX AppSuite before 7.4.2-rev43, 7.6.0-rev38, and 7.6.1-rev21.
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Analysis
by VulDB Data Team • 12/08/2022
The vulnerability identified as CVE-2015-1588 represents a critical security flaw affecting Open-Xchange Server 6 and OX AppSuite versions prior to specific patch releases. This issue manifests as multiple cross-site scripting vulnerabilities that could potentially allow attackers to execute malicious scripts within the context of affected web applications. The vulnerability affects organizations using these specific versions of the email and collaboration platform, creating significant risks for user data and system integrity.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the web interface components of the Open-Xchange platform. Attackers can exploit these weaknesses by injecting malicious JavaScript code through various input vectors including email messages, calendar entries, or other user-controllable data fields. The flaw operates under CWE-79 which classifies cross-site scripting as a code injection vulnerability where untrusted data is improperly handled and executed within web browsers. This allows for unauthorized access to user sessions, data theft, and potential privilege escalation within the application environment.
The operational impact of CVE-2015-1588 extends beyond simple data corruption or unauthorized access. Organizations utilizing affected versions face significant risks including session hijacking, where attackers can steal user credentials and maintain persistent access to corporate email systems. The vulnerability also enables the execution of malicious code that could redirect users to phishing sites, install malware, or manipulate application functionality. According to ATT&CK framework category T1059.007, this vulnerability facilitates code injection attacks that can be leveraged for privilege escalation and lateral movement within network environments. The exposure affects not just individual user accounts but potentially entire organizational email infrastructures, making it particularly dangerous for enterprises relying on Open-Xchange for business-critical communications.
Organizations should immediately implement mitigations including updating to patched versions of Open-Xchange Server 6 and OX AppSuite, specifically versions 7.4.2-rev43, 7.6.0-rev38, and 7.6.1-rev21. Additional protective measures include implementing robust input validation mechanisms, deploying web application firewalls, and conducting comprehensive security assessments of all user-facing interfaces. The vulnerability highlights the importance of maintaining current security patches and following security best practices such as those outlined in the OWASP Top Ten project, particularly focusing on input validation and output encoding controls. Regular security monitoring and user education about suspicious email content should also be implemented to reduce the attack surface and prevent successful exploitation attempts.