CVE-2017-17061 in OX App Suite
Summary
by MITRE
OX Software GmbH OX App Suite 7.8.4 and earlier is affected by: Cross Site Scripting (XSS).
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Analysis
by VulDB Data Team • 06/14/2020
The vulnerability identified as CVE-2017-17061 represents a critical cross site scripting flaw within OX App Suite versions 7.8.4 and earlier, developed by OX Software GmbH. This vulnerability resides in the web application's input validation mechanisms, specifically affecting how user-supplied data is processed and rendered within the application's interface. The flaw allows malicious actors to inject malicious scripts into web pages viewed by other users, potentially compromising the security of the entire application ecosystem. The vulnerability impacts the core functionality of the email and collaboration platform, which serves as a central communication hub for enterprise users.
The technical implementation of this XSS vulnerability stems from insufficient sanitization of user inputs across multiple application components. Attackers can exploit this weakness by crafting malicious payloads that are then executed in the context of other users' browsers when they view affected content. The vulnerability manifests when user-provided data is directly incorporated into dynamic web pages without proper encoding or validation, creating an attack surface where malicious scripts can be injected. This flaw operates at the application layer and can be triggered through various vectors including email messages, calendar entries, or any user-editable content fields within the OX App Suite interface.
The operational impact of CVE-2017-17061 extends beyond simple script execution, as it enables attackers to perform session hijacking, defacement of web pages, and potentially gain unauthorized access to sensitive user data. An attacker could craft malicious emails or calendar entries containing XSS payloads that, when viewed by other users, would execute scripts in their browser context. This could lead to unauthorized data access, modification of user information, or redirection to malicious websites. The vulnerability particularly affects enterprise environments where OX App Suite serves as a critical communication platform, potentially allowing attackers to escalate privileges and access confidential business information.
Security mitigations for this vulnerability should include comprehensive input validation and output encoding mechanisms throughout the application. Organizations should implement proper content security policies and ensure all user inputs are sanitized before processing. The recommended remediation involves updating to OX App Suite version 7.8.5 or later, which includes patches addressing the XSS vulnerability. Additionally, implementing web application firewalls and regular security testing can help detect and prevent exploitation attempts. This vulnerability aligns with CWE-79 which specifically addresses cross site scripting flaws in web applications, and maps to ATT&CK technique T1059.007 for script injection attacks. Organizations should conduct thorough security assessments of their email and collaboration platforms to identify similar vulnerabilities and implement robust security controls to prevent unauthorized script execution in user contexts.