CVE-2015-1617 in Data Loss Prevention Endpoint
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the ePO extension in McAfee Data Loss Prevention Endpoint (DLPe) before 9.3.400 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 04/16/2022
The CVE-2015-1617 vulnerability represents a critical cross-site scripting flaw within the McAfee Data Loss Prevention Endpoint ePO extension version 9.3.300 and earlier. This vulnerability exists in the web-based administrative interface component of the DLP solution, which is designed to protect organizations from data exfiltration and unauthorized data access. The flaw specifically affects the ePO extension module that manages endpoint protection policies and configurations, creating a potential attack vector for malicious actors who have already gained authentication credentials within the McAfee management environment.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding within the web interface components of the ePO extension. Attackers with valid authentication credentials can exploit this weakness by injecting malicious JavaScript code or HTML content through unspecified vectors within the administrative interface. The vulnerability manifests when the application fails to properly sanitize user-supplied input before rendering it in web responses, allowing attackers to execute arbitrary scripts in the context of other users' browsers. This particular 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.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a range of malicious activities within the compromised environment. An authenticated attacker could potentially steal session cookies, redirect users to malicious websites, modify administrative interfaces, or even escalate privileges within the DLP management system. The attack requires only valid authentication credentials, making it particularly dangerous in environments where administrative access is granted to multiple users or where credential security practices are weak. This vulnerability essentially undermines the security controls that the DLP solution is designed to provide, as attackers can manipulate the very tools meant to protect against data loss.
Organizations affected by this vulnerability should implement immediate mitigations including updating to McAfee Data Loss Prevention Endpoint version 9.3.400 or later, which contains the necessary patches to address the XSS flaw. Network segmentation and privilege separation should be enforced to limit the potential impact of credential compromise, while regular security assessments should verify that all administrative interfaces properly validate input and encode output. The vulnerability demonstrates the importance of maintaining up-to-date security patches and adheres to ATT&CK technique T1059.007 for scripting languages, as attackers can leverage this flaw to execute malicious code within the context of legitimate administrative sessions. Additionally, implementing content security policies and regular input validation testing can provide defense-in-depth measures against similar vulnerabilities in web applications.