CVE-2002-2030 in SQLData
Summary
by MITRE
Stack-based buffer overflow in SQLData Enterprise Server 3.0 allows remote attacker to execute arbitrary code and cause a denial of service via a long HTTP request.
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Analysis
by VulDB Data Team • 08/30/2025
The vulnerability identified as CVE-2002-2030 represents a critical stack-based buffer overflow flaw within SQLData Enterprise Server version 3.0, exposing systems to remote code execution and denial of service attacks. This vulnerability specifically manifests when the server processes HTTP requests that exceed the allocated buffer size, creating conditions where malicious actors can manipulate memory layout and potentially gain unauthorized system access. The flaw stems from inadequate input validation mechanisms within the HTTP request handling component of the database server software.
The technical implementation of this buffer overflow occurs at the stack memory level where the server fails to properly bounds-check incoming HTTP request data before copying it into fixed-size buffers. When an attacker crafts a malicious HTTP request containing excessive data, the overflow corrupts adjacent stack memory locations including return addresses and function parameters. This memory corruption enables attackers to redirect program execution flow and inject malicious code that executes with the privileges of the affected service account. The vulnerability is particularly dangerous because it operates over the network without requiring authentication, making it accessible to any remote attacker who can reach the server.
The operational impact of this vulnerability extends beyond simple remote code execution to encompass complete system compromise and service disruption. Successful exploitation can result in unauthorized data access, data modification, or complete system takeover depending on the privileges of the target service account. Organizations running SQLData Enterprise Server 3.0 are particularly vulnerable as this flaw affects the core database functionality and can lead to significant business disruption. The denial of service component of this vulnerability means that even partial exploitation can render the database server unavailable to legitimate users, creating cascading effects throughout dependent applications and services.
Security professionals should recognize this vulnerability as mapping to CWE-121 Stack-based Buffer Overflow, which is categorized under the broader family of memory safety issues that have historically plagued software systems. The attack vector aligns with ATT&CK technique T1203 Exploitation for Client Execution, as the vulnerability enables remote code execution through HTTP protocol manipulation. Organizations should implement immediate mitigations including applying vendor patches, implementing network segmentation, and deploying intrusion detection systems to monitor for suspicious HTTP traffic patterns. Additionally, input validation controls and application firewalls can provide defense-in-depth measures to reduce the attack surface and limit the impact of potential exploitation attempts.