CVE-2019-14298 in ONE Reporter
Summary
by MITRE
Veeam ONE Reporter 9.5.0.3201 allows XSS via a crafted Description(config) field to addDashboard or editDashboard in CommonDataHandlerReadOnly.ashx.
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Analysis
by VulDB Data Team • 11/13/2023
The vulnerability identified as CVE-2019-14298 affects Veeam ONE Reporter version 9.5.0.3201 and represents a cross-site scripting flaw that can be exploited through manipulation of the Description(config) field within the CommonDataHandlerReadOnly.ashx web service endpoint. This issue resides in the dashboard management functionality of the Veeam monitoring platform, specifically in the addDashboard and editDashboard operations that handle configuration data for user dashboards. The vulnerability stems from insufficient input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before it is rendered back to users within the web interface.
The technical execution of this vulnerability occurs when an attacker crafts malicious input within the Description field of dashboard configurations, which then gets processed through the CommonDataHandlerReadOnly.ashx endpoint without adequate sanitization. This allows the attacker to inject malicious JavaScript code that executes in the context of other users who view the affected dashboard. The vulnerability is particularly concerning because it leverages the web application's legitimate dashboard management features to deliver payloads, making it more difficult to detect through traditional security controls. The flaw aligns with CWE-79 which categorizes cross-site scripting vulnerabilities as weaknesses in web applications that fail to properly validate or encode user input before incorporating it into dynamic web content.
From an operational perspective, this vulnerability presents significant risk to organizations using Veeam ONE Reporter for monitoring their virtual environments. An attacker who successfully exploits this vulnerability could execute arbitrary code in the browser context of authenticated users, potentially leading to session hijacking, data exfiltration, or privilege escalation within the monitoring platform. The impact extends beyond simple script execution as it could enable attackers to access sensitive monitoring data, manipulate dashboard configurations, or even gain access to underlying virtual infrastructure through the monitoring platform's administrative interfaces. The vulnerability affects the integrity and confidentiality of the monitoring environment, potentially compromising the security posture of the entire virtual infrastructure being monitored.
Mitigation strategies for this vulnerability should include immediate implementation of input validation and output encoding controls within the affected web service endpoints. Organizations should ensure that all user-supplied input is properly sanitized before being stored or rendered back to users, with particular attention to the Description field within dashboard configurations. The recommended approach aligns with ATT&CK technique T1059.007 for command and scripting interpreter execution through web interfaces, emphasizing the need for proper input validation at multiple layers. Security patches should be applied from Veeam to address the specific vulnerability in version 9.5.0.3201, while network segmentation and monitoring of the affected web service endpoints can provide additional defensive layers. Organizations should also implement web application firewalls to detect and block suspicious input patterns that may indicate attempts to exploit this or similar XSS vulnerabilities, and conduct regular security assessments to identify potential injection points within the monitoring platform's web interface.