CVE-2009-3329 in Winplot
Summary
by MITRE
Stack-based buffer overflow in Winplot 1.25.0.1 allows user-assisted remote attackers to execute arbitrary code via a crafted Plot2D (.wp2) file.
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Analysis
by VulDB Data Team • 12/15/2024
The vulnerability identified as CVE-2009-3329 represents a critical stack-based buffer overflow flaw discovered in Winplot version 1.25.0.1, a popular scientific plotting application used for creating mathematical graphs and visualizations. This vulnerability exists within the application's handling of Plot2D (.wp2) files, which are used to store plot data and configuration settings. The flaw stems from inadequate input validation and bounds checking when processing maliciously crafted .wp2 files, creating an exploitable condition that can be triggered remotely through user-assisted means. The vulnerability is particularly concerning because it allows remote attackers to execute arbitrary code on affected systems, potentially leading to complete system compromise.
The technical implementation of this buffer overflow occurs when the Winplot application processes a specially crafted .wp2 file that contains oversized data structures or malformed parameters within its internal parsing routines. The application fails to properly validate the size of data elements before copying them into fixed-size stack buffers, enabling an attacker to overwrite adjacent memory locations including return addresses and control data. This type of vulnerability maps directly to CWE-121 Stack-based Buffer Overflow, which is classified under the Common Weakness Enumeration framework as a fundamental memory safety issue. The flaw operates through a classic buffer overflow exploitation pattern where attacker-controlled data exceeds the allocated buffer space, leading to memory corruption that can be leveraged for code execution.
The operational impact of CVE-2009-3329 extends beyond simple arbitrary code execution, as it represents a significant threat to system security and integrity within environments where Winplot is deployed. Attackers can exploit this vulnerability by enticing users to open malicious .wp2 files through social engineering tactics or by hosting compromised files on web servers, making this a user-assisted remote attack vector. The vulnerability affects systems running Winplot 1.25.0.1 and potentially earlier versions, creating a substantial attack surface across various organizational environments. From an adversary perspective, this vulnerability aligns with ATT&CK technique T1203 Exploitation for Client Execution, as it enables attackers to execute malicious code through legitimate application interfaces. The risk is amplified by the widespread use of plotting applications in scientific and engineering environments, where users may trust files from colleagues or download content from untrusted sources.
Mitigation strategies for CVE-2009-3329 should prioritize immediate patching of affected Winplot installations to the latest available version that addresses the buffer overflow vulnerability. Organizations should implement strict file validation policies and restrict user access to potentially malicious file types through network segmentation and application whitelisting controls. Security administrators should deploy intrusion detection systems to monitor for suspicious .wp2 file access patterns and consider disabling the automatic execution of files from untrusted sources. Additionally, user education regarding the dangers of opening unknown or untrusted files remains crucial, as the vulnerability requires user interaction to be exploited effectively. The vulnerability also highlights the importance of proper software security practices including input validation, bounds checking, and regular security updates as outlined in industry standards such as the OWASP Top Ten and NIST Cybersecurity Framework. Organizations should also consider implementing sandboxing techniques for handling potentially malicious files and establish incident response procedures specifically addressing buffer overflow vulnerabilities in third-party applications.