CVE-2013-5014 in Endpoint Protection Manager
Summary
by MITRE
The management console in Symantec Endpoint Protection Manager (SEPM) 11.0 before 11.0.7405.1424 and 12.1 before 12.1.4023.4080, and Symantec Protection Center Small Business Edition 12.x before 12.1.4023.4080, allows remote attackers to read arbitrary files via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.
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Analysis
by VulDB Data Team • 06/09/2024
The vulnerability identified as CVE-2013-5014 represents a critical XML External Entity (XXE) flaw within Symantec Endpoint Protection Manager and Symantec Protection Center Small Business Edition products. This issue affects versions prior to specific security patches, creating a significant attack surface that remote adversaries can exploit to gain unauthorized access to sensitive system information. The vulnerability stems from inadequate input validation within the management console's XML processing mechanisms, which fail to properly sanitize external entity declarations that could be embedded within XML data streams.
The technical exploitation of this vulnerability occurs through carefully crafted XML data that includes external entity declarations combined with entity references. When the affected management console processes such malformed XML input, it inadvertently resolves external entity references and subsequently reads arbitrary files from the underlying system. This XXE implementation allows attackers to traverse the file system and potentially access confidential data, configuration files, or system resources that should remain protected. The vulnerability specifically impacts the management console component, which serves as the central administrative interface for Symantec's endpoint protection solutions, making it a prime target for attackers seeking to compromise enterprise security infrastructure.
From an operational impact perspective, this vulnerability poses severe risks to enterprise security environments as it enables attackers to extract sensitive information from the management console server. The ability to read arbitrary files means that threat actors could potentially access authentication credentials, system configurations, network settings, or other confidential data stored within the affected systems. This capability directly violates fundamental security principles of data isolation and access control, potentially leading to complete compromise of the endpoint protection infrastructure. Organizations relying on these Symantec products face significant exposure risks, particularly in environments where the management console is accessible from untrusted networks or where insufficient network segmentation exists.
Security professionals should note that this vulnerability aligns with CWE-611, which specifically addresses Improper Restriction of XML External Entity Reference, and maps to ATT&CK technique T1213.002 for Data from Information Repositories. The attack vector leverages the principle of least privilege violation by allowing unauthorized file access through legitimate system interfaces. Organizations should implement immediate mitigations including applying the vendor-provided patches for SEPM versions 11.0.7405.1424 and 12.1.4023.4080, disabling external entity processing in XML parsers, and implementing network segmentation to limit access to management consoles. Additionally, monitoring for suspicious XML processing activities and implementing web application firewalls can help detect and prevent exploitation attempts. The vulnerability underscores the importance of proper input validation and secure coding practices in enterprise security applications, particularly those handling sensitive administrative data through XML-based interfaces.