CVE-2020-5360 in WebLogic Server Proxy Plug-In
Summary
by MITRE • 12/17/2020
Dell BSAFE Micro Edition Suite, versions prior to 4.5, are vulnerable to a Buffer Under-Read Vulnerability. An unauthenticated remote attacker could potentially exploit this vulnerability resulting in undefined behaviour, or a crash of the affected systems.
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Analysis
by VulDB Data Team • 04/25/2021
The vulnerability identified as CVE-2020-5360 affects Dell BSAFE Micro Edition Suite versions prior to 4.5, representing a critical buffer under-read condition that exposes systems to remote exploitation. This flaw resides within the cryptographic library implementation used by various Dell products and third-party applications, making it particularly dangerous as it can be triggered without authentication. The affected suite is widely deployed in embedded systems, IoT devices, and enterprise applications where secure communication is paramount, creating a substantial attack surface for malicious actors seeking to disrupt system operations or gain unauthorized access.
The technical nature of this vulnerability stems from improper bounds checking within the BSAFE Micro Edition Suite's memory handling routines. When processing certain malformed input data, the library fails to validate buffer boundaries before reading memory locations, leading to under-read conditions that can cause unpredictable behavior or system crashes. This type of vulnerability maps directly to CWE-129, which describes improper validation of array index bounds, and falls under the broader category of memory safety issues that have historically led to severe exploitation opportunities. The under-read condition allows attackers to access memory locations that were not intended to be read, potentially exposing sensitive data or system information that could aid in further exploitation attempts.
The operational impact of CVE-2020-5360 extends beyond simple system crashes, as it represents a potential entry point for more sophisticated attacks within environments where Dell BSAFE is deployed. Systems utilizing affected versions may experience service disruption through denial-of-service conditions, while the underlying memory access violation could provide attackers with information disclosure capabilities. This vulnerability particularly affects embedded systems and IoT devices where the affected suite is used for secure communications, making it a significant concern for industrial control systems, medical devices, and network infrastructure equipment. The remote exploitation capability means that attackers can target these systems from outside the network perimeter without requiring prior authentication, significantly expanding the potential attack vectors.
Organizations must prioritize immediate remediation of this vulnerability through patch management processes, as Dell has released version 4.5 of the BSAFE Micro Edition Suite to address the buffer under-read issue. System administrators should conduct comprehensive inventory assessments to identify all affected deployments and ensure proper patching across all impacted systems. The vulnerability's classification as a remote, unauthenticated threat makes it particularly dangerous for environments with limited network segmentation, where a successful exploitation could lead to complete system compromise. Security teams should also implement network monitoring to detect potential exploitation attempts and consider temporary network isolation of affected systems until patches are deployed. This vulnerability aligns with ATT&CK technique T1210, which covers exploitation of remote services, and represents a classic example of how cryptographic library flaws can create widespread security implications across multiple system domains.