CVE-2019-14297 in ONE Reporter
Summary
by MITRE
Veeam ONE Reporter 9.5.0.3201 allows XSS via the Add/Edit Widget with a crafted Caption field to setDashboardWidget in CommonDataHandlerReadOnly.ashx.
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Analysis
by VulDB Data Team • 11/13/2023
The vulnerability CVE-2019-14297 represents a cross-site scripting flaw in Veeam ONE Reporter version 9.5.0.3201 that specifically targets the widget management functionality within the web interface. This issue exists in the CommonDataHandlerReadOnly.ashx endpoint which handles dashboard widget operations, making it a critical concern for organizations relying on Veeam's monitoring and reporting capabilities. The vulnerability is particularly concerning as it allows attackers to inject malicious scripts through the Caption field during widget creation or modification processes, potentially compromising the entire monitoring infrastructure.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the web application's handling of user-supplied data. When administrators or users create or edit dashboard widgets through the Add/Edit Widget functionality, the Caption field value is not properly sanitized before being processed and stored in the system. This failure in data sanitization creates an opportunity for attackers to inject malicious JavaScript code that gets executed in the context of other users' browsers when they view the affected dashboard. The flaw operates at the application layer and affects the web interface specifically, making it accessible through standard HTTP requests to the CommonDataHandlerReadOnly.ashx endpoint.
The operational impact of this vulnerability extends beyond simple script execution as it can enable attackers to perform a wide range of malicious activities within the compromised environment. An attacker who successfully exploits this vulnerability could steal session cookies, perform unauthorized actions on behalf of legitimate users, redirect victims to malicious sites, or even escalate privileges within the Veeam ONE Reporter environment. Given that Veeam ONE Reporter is designed for monitoring and managing critical IT infrastructure, this vulnerability could provide attackers with insights into the organization's infrastructure, potentially leading to more sophisticated attacks against the broader network. The vulnerability affects the availability and integrity of the monitoring data, as attackers could manipulate dashboard displays or inject false information that could mislead administrators during critical incidents.
Organizations should implement multiple layers of defense to mitigate this vulnerability, beginning with immediate patching of the affected Veeam ONE Reporter version to the latest available release that contains the necessary security fixes. Network segmentation and access controls should be enforced to limit who can create or modify dashboard widgets, reducing the attack surface. Input validation should be strengthened at the application level to ensure all user-supplied data undergoes proper sanitization before being processed. Additionally, implementing content security policies and output encoding mechanisms can provide additional protection against XSS attacks. Security monitoring should be enhanced to detect suspicious requests to the CommonDataHandlerReadOnly.ashx endpoint, and regular security assessments should be conducted to identify similar vulnerabilities in other components of the Veeam ecosystem. This vulnerability aligns with CWE-79 Cross-site Scripting and maps to ATT&CK technique T1059.007 Command and Scripting Interpreter: JavaScript, highlighting the need for comprehensive security controls that address both application-level and network-level protections.