CVE-2010-3228 in .NET Framework
Summary
by MITRE
The JIT compiler in Microsoft .NET Framework 4.0 on 64-bit platforms does not properly perform optimizations, which allows remote attackers to execute arbitrary code via a crafted .NET application that triggers memory corruption, aka ".NET Framework x64 JIT Compiler Vulnerability."
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Analysis
by VulDB Data Team • 01/21/2025
The vulnerability identified as CVE-2010-3228 represents a critical flaw in the Just-In-Time compilation process of Microsoft .NET Framework 4.0 when operating on 64-bit systems. This issue stems from improper optimization techniques implemented within the JIT compiler component that is responsible for converting intermediate language code into native machine code during runtime execution. The flaw specifically manifests in the x64 architecture implementation where the compiler's optimization algorithms fail to properly handle certain memory management scenarios, creating opportunities for malicious code execution.
The technical nature of this vulnerability falls under the category of memory corruption issues that are commonly classified as CWE-125, which represents "Out-of-bounds Read" conditions. The JIT compiler's optimization process incorrectly handles memory addresses and stack operations when processing specific .NET applications, leading to situations where attacker-controlled data can influence the execution flow of the compiled code. This particular weakness exists because the compiler's optimization passes do not adequately validate memory access patterns or properly account for edge cases in the code generation process, particularly when dealing with complex memory layouts and pointer arithmetic operations.
From an operational perspective, this vulnerability creates a severe threat landscape for systems running .NET Framework 4.0 on 64-bit platforms. Remote attackers can exploit this weakness by crafting specially designed .NET applications that, when executed, trigger the flawed JIT optimization path. The resulting memory corruption can be leveraged to execute arbitrary code with the privileges of the affected application, potentially leading to complete system compromise. The attack vector is particularly concerning because it requires no local privileges and can be delivered through standard .NET application execution, making it accessible to attackers with minimal technical expertise.
The vulnerability aligns with several tactics described in the MITRE ATT&CK framework, particularly those related to privilege escalation and code execution. Attackers can leverage this flaw as part of a broader exploitation chain, potentially using it as a stepping stone to establish persistent access or move laterally within a network. The weakness is particularly dangerous in server environments where .NET applications are commonly deployed, as it can be exploited through web applications or other network-facing services that process user input through .NET components. Organizations using Microsoft .NET Framework 4.0 on 64-bit systems face significant risk without proper mitigation strategies in place.
Mitigation strategies for CVE-2010-3228 primarily focus on immediate patching of the affected .NET Framework versions, as Microsoft released security updates specifically addressing this JIT compiler optimization flaw. System administrators should also implement runtime monitoring to detect anomalous execution patterns that might indicate exploitation attempts, while maintaining strict application whitelisting policies to prevent execution of untrusted .NET code. Additionally, organizations should consider isolating .NET applications in restricted environments and implementing network segmentation to limit the potential impact of successful exploitation. The vulnerability serves as a reminder of the critical importance of proper compiler optimization validation and the need for comprehensive security testing of core runtime components in enterprise software platforms.