CVE-2015-2253 in OceanStor UDS
Summary
by MITRE
The XML interface in Huawei OceanStor UDS devices with software before V100R002C01SPC102 allow remote authenticated users to obtain sensitive information via a crafted XML document.
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Analysis
by VulDB Data Team • 10/14/2019
The vulnerability identified as CVE-2015-2253 affects Huawei OceanStor UDS storage devices running software versions prior to V100R002C01SPC102. This issue resides within the XML interface component of the device firmware, representing a significant security weakness that enables remote authenticated attackers to extract sensitive information from the system. The vulnerability specifically manifests through the processing of crafted XML documents, which allows unauthorized data disclosure when properly authenticated users interact with the device's XML interface.
The technical flaw stems from inadequate input validation and sanitization within the XML processing functionality of the Huawei OceanStor UDS devices. When the system receives a specially crafted XML document, it fails to properly validate or sanitize the input before processing, leading to information disclosure vulnerabilities. This weakness falls under CWE-20, which describes improper input validation, and specifically relates to CWE-200, which deals with exposure of sensitive information. The vulnerability exploits the XML interface's lack of proper boundary checking and input sanitization mechanisms, allowing attackers to manipulate the system's response to retrieve confidential data.
The operational impact of this vulnerability is substantial for organizations relying on Huawei OceanStor UDS storage solutions. Remote authenticated attackers who have valid credentials to access the device can leverage this vulnerability to extract sensitive information that may include system configuration details, user credentials, storage metadata, or other confidential data. This information disclosure can serve as a stepping stone for further attacks, potentially leading to complete system compromise or unauthorized data access. The vulnerability affects the confidentiality aspect of the CIA triad, as it allows unauthorized information disclosure without requiring additional privileges beyond authentication. Organizations may face regulatory compliance issues and potential data breaches when this vulnerability is exploited in environments where sensitive data is stored.
Mitigation strategies for CVE-2015-2253 primarily involve upgrading the affected Huawei OceanStor UDS devices to software version V100R002C01SPC102 or later, which contains the necessary patches to address the XML interface processing vulnerability. Network segmentation and access control measures should be implemented to limit access to the XML interface to only authorized personnel with legitimate business needs. Organizations should also consider implementing network monitoring solutions to detect unusual XML traffic patterns that may indicate exploitation attempts. The ATT&CK framework categorizes this vulnerability under T1071.004 for application layer protocol and T1005 for data from local system, as it involves manipulation of XML protocols to extract sensitive information. Additionally, implementing proper input validation controls and XML schema validation can help prevent similar vulnerabilities in other systems. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar issues across the network infrastructure.