CVE-2014-3459 in Network Configuration Manager
Summary
by MITRE
Heap-based buffer overflow in SolarWinds Network Configuration Manager (NCM) before 7.3 allows remote attackers to execute arbitrary code via the PEstrarg1 property.
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Analysis
by VulDB Data Team • 03/26/2022
The vulnerability identified as CVE-2014-3459 represents a critical heap-based buffer overflow in SolarWinds Network Configuration Manager version 7.2 and earlier. This flaw exists within the application's handling of the PEstrarg1 property, which is processed during network configuration management operations. The vulnerability arises from insufficient input validation and bounds checking when processing user-supplied data through this specific property, creating an exploitable condition that can be leveraged by remote attackers to gain unauthorized system access. The heap-based nature of this vulnerability means that memory corruption occurs in the heap memory region, potentially leading to arbitrary code execution with the privileges of the affected application process. This particular vulnerability affects organizations that rely on SolarWinds NCM for network configuration management, creating a significant security risk for enterprise environments where network infrastructure is managed through this platform. The flaw demonstrates poor software development practices in input sanitization and memory management, typical of vulnerabilities classified under CWE-121 heap-based buffer overflow conditions.
The technical exploitation of this vulnerability requires remote attackers to send specially crafted data containing malicious input through the PEstrarg1 property to the vulnerable SolarWinds NCM service. When the application processes this malformed input without proper bounds checking, it writes data beyond the allocated buffer space in heap memory, potentially overwriting adjacent memory locations including function pointers, return addresses, or other critical control data. This memory corruption can be manipulated to redirect program execution flow and ultimately allow attackers to execute arbitrary code on the target system. The attack vector is remote and does not require authentication, making it particularly dangerous as it can be exploited by threat actors without prior access to the network. The vulnerability aligns with ATT&CK technique T1203, which involves gaining access through exploitation of remote services, and represents a classic example of how insufficient input validation can create dangerous execution paths in network management applications.
The operational impact of CVE-2014-3459 extends beyond simple code execution to encompass potential complete system compromise and network infiltration. Organizations utilizing SolarWinds NCM for network infrastructure management face risks including unauthorized access to network configurations, potential data exfiltration, and establishment of persistent access points within their network environments. The vulnerability affects critical network management operations and can disrupt business continuity if exploited successfully. Attackers could leverage this vulnerability to escalate privileges, install backdoors, or use the compromised system as a launch point for further attacks against other network resources. The widespread adoption of SolarWinds NCM across enterprise networks amplifies the potential impact, as a single compromised instance could provide attackers with access to multiple network segments. This vulnerability demonstrates the importance of proper input validation in network management tools and highlights the need for regular security updates and patches in critical infrastructure software. Organizations should implement immediate mitigations including patching to version 7.3 or later, network segmentation, and monitoring for suspicious network traffic patterns that might indicate exploitation attempts. The vulnerability also underscores the necessity of following security best practices such as principle of least privilege, regular vulnerability assessments, and maintaining updated security tooling to detect and prevent exploitation of similar memory corruption vulnerabilities.