CVE-2015-7838 in Storage Manager
Summary
by MITRE
ProcessFileUpload.jsp in SolarWinds Storage Manager before 6.2 allows remote attackers to upload and execute arbitrary files via unspecified vectors.
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Analysis
by VulDB Data Team • 06/22/2022
The vulnerability identified as CVE-2015-7838 affects SolarWinds Storage Manager version 6.1 and earlier, representing a critical file upload vulnerability that enables remote attackers to execute arbitrary code on affected systems. This flaw exists within the ProcessFileUpload.jsp component, which handles file upload operations within the web application interface. The vulnerability stems from insufficient input validation and access control mechanisms that fail to properly sanitize or restrict file upload operations, creating an avenue for malicious actors to bypass security controls and deploy malicious payloads.
The technical implementation of this vulnerability involves the improper handling of file upload requests through the ProcessFileUpload.jsp servlet, which lacks adequate validation of file types, content, or upload destinations. Attackers can exploit this weakness by crafting specially formatted upload requests that circumvent normal file validation checks, potentially allowing the upload of executable files such as jsp, php, or other malicious scripts. The vulnerability operates at the application layer and can be exploited remotely without requiring authentication, making it particularly dangerous in networked environments where the SolarWinds Storage Manager is exposed to external traffic.
From an operational impact perspective, this vulnerability creates a severe risk landscape for organizations utilizing SolarWinds Storage Manager, as successful exploitation can lead to complete system compromise, data exfiltration, and persistent backdoor access. The ability to execute arbitrary code remotely means attackers can establish command and control capabilities, escalate privileges, and potentially move laterally within the network. The vulnerability also affects the integrity and confidentiality of storage management operations, potentially exposing sensitive storage configurations, performance data, and underlying storage infrastructure information to unauthorized parties.
The attack surface for this vulnerability aligns with common exploit patterns documented in the attack framework, particularly mapping to techniques involving web application exploitation and privilege escalation. This weakness could be leveraged in conjunction with other attack vectors to achieve broader compromise objectives, making it a valuable target for advanced persistent threat actors. Organizations should consider this vulnerability in the context of broader security controls and remediation strategies, particularly focusing on web application firewalls and input validation controls.
Mitigation strategies should prioritize immediate patching of affected SolarWinds Storage Manager versions to 6.2 or later, as this release contains the necessary security fixes to address the file upload validation issues. Network segmentation and access controls should be implemented to limit exposure of the affected application to untrusted networks, while application-level protections such as web application firewalls can provide additional layers of defense. Regular security assessments and input validation reviews should be conducted to identify similar vulnerabilities in other web applications within the organization's infrastructure, following best practices outlined in cybersecurity frameworks such as NIST SP 800-53 and ISO 27001 standards for secure application development and deployment practices.